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Day One "Ha Ha Hee Hee! Stop!" Tom cried breathless from laughing. "You are done being a brat. Understand?" "Yes! Yes! Just stop! Please!" Tom looked up beseechingly at Kate, his sixteen-year-old sister who was sitting on his arms, pinning them to the floor above his head. Her fingers remained poised over his exposed armpits. "Now apologize to your sisters," she said. "Or we're going to tickle you silly." Tom gulped. They'd already tickled him silly once. He didn't want to go through that again. "I... I'm sorry," he muttered glancing at the other two girls. Fourteen-year-old Kelly sat on one of his legs and twelve-year-old Jen sat on the other. Both girls smiled down at their thirteen-year-old brother. The three girls had chased him from the pool into the house when he wouldn't stop splashing them. They'd overpowered him and, after pinning him to the floor, proceeded to tickle him until breathless from laughing, he begged them to stop. "How about you promise us you'll be a good little boy." "Huh" Tom glanced up at Kate. The stern look in her eyes coupled with her fingers trailing threateningly over his ribs told Tom not to tempt fate. "I... I'll be good. I promise." "Hey," Jen interjected. "Tom's always picking on me 'cause I'm the youngest." Now that her brother was at their mercy, she wanted a little payback. "He teased me and said I didn't really need the top to my bikini." "You did that Tom?" Kate's fingers traced lightly over his ribs causing him to squirm. "I didn't mean anything," he answered hurriedly. "Please don't tickle me anymore." "Well don't you think you should apologize to Jen?" "I... I'm sorry Jen." "That's all you're going to say?" Jen asked. "How about telling me how very sorry you are and how you'll never tease me again?" Tom gulped. His little sister was exacting her revenge and unless he wanted to be tickled again, he knew he'd have to capitulate. "I... I'm sorry Jen," he began again. "I won't tease you anymore." "You're darn right you won't," Jen said. "But we're going to tease you." "Huh? What do you mean?" Jen turned to her sisters. "Since he teased me about wearing my bikini, don't you think he should wear one so we can tease him too?" Kelly's eyes lit up. Tom had been a pain in her butt lately. This would serve as a lesson to him. "Bikini Boy... I like it." "What about you, Kate?" Jen asked her oldest sister. "For a twelve-year-old you certainly come up with some off the wall ideas." She smiled appreciatively at Jen. "I like it... Maybe this will teach Mr. Brat to behave." "I think my last year's bikini might fit him," Kelly volunteered. "Although the top may be a little loose on him," she added with a giggle. "No!" Tom protested. "I'm not wearing your bikini, Kelly. Now let me up or I'm going to tell mom when she gets home." "That's not for another four hours little brother," Kate said with an impish smile. "Four long hours..." Her fingers lightly traced over his bare chest toward his armpits. "Four very long hours..." Tom couldn't help squirming. Kate's fingers tickled his armpits. "No... Don't..." The girls smiled. The pleading note in his voice was quite noticeable. He didn't want to be tickled again. Not after how they had tickled him earlier. Kate's fingers poked into his exposed armpits and Tom couldn't help but laugh as he squirmed. Unfortunately, it was three against one and he was pinned to the living room rug, arms over his head and helpless. Less than a minute later Tom was thrashing about, laughing hysterically as Kate tickled his ribs and underarms while Kelly and Jen kept him from escaping. "Ha ha ha ha! Hee hee! Stop! Please stop!" "Are you going to put on Kelly's bathing suit?" "Oh God! Ha ha ha ha! Please! Don't! Hee hee ha ha! "We've got all afternoon, Tom." Kate poked his poor exposed ribs and underarms as he continued to thrash about, breathlessly laughing. "The longer you hold out, the longer you're going to be tickled. And then you're going to end up in Kelly's bathing suit anyway." "Ha ha ha ha! Oh stop! Please! Ha ha ha!" Tom was beside himself. Kate had his arms trapped beneath her weight and with the other two pinning his legs to the carpet, all he could do was wriggle helplessly while laughing hysterically. It was pure tickle torture. "Ok! Ok! I'll do it!" he cried out between fits of laughter. "Please stop! I'll wear the stupid bathing suit." "Yes you will," Kate reiterated, her fingers continuing their devilish torture. "And Kelly's bathing suit is not 'stupid'. Tell her you're sorry for calling it that." "Oh jeez! Ha ha hee hee. I... I'm sorry Kelly. Ha ha! Please stop tickling! I said I'd wear it." "Not so fast,? Kate said, enjoying herself. She winked at Kelly. ?Ask her nicely... Say ?Please. Can I wear your bathing suit??? "Huh? What?" Tom was caught off guard by this new demand. Christ! He'd already said he'd wear it. Now he had to ask? "Oh God! Ha ha ha! Stop!" Kate's fingers dug in ferociously as Tom realized she wasn't going to stop until he obeyed. "Ha haha... Please Kelly. Can I wear your bathing suit?? Kate didn?t let up. ?Haha... Heehee.? Tom thrashed about. ?Please Kelly,? he cried. ?Ha ha... Let me wear your bathing suit. Please!? ?Only if you wear it out by the pool. Will you do that?" "Yes. Haha... Yes. Yes. I?ll wear it out at the pool! Please! Ha ha ha! Oh Kate! Please stop!? With Tom's capitulation, Kate finally relaxed, allowing him to gasp and catch his breath. Her fingers though, stayed in his armpits, ready to tickle at the slightest provocation. "Here's what's going to happen, Tom," Kate began. "Kelly is going to run upstairs and get her bathing suit. Now if you give us any trouble while she's gone, you are going to be in for some serious tickling. Hours of it. Do you understand?" "Yes," Tom muttered, nodding. "I mean it," she continued. "We will tickle you until you pee yourself. And that will just be the beginning." Tom nodded. He was almost in tears, afraid of what his sisters might do. When Kelly left to get her bathing suit, Jen repositioned herself so that she was sitting on both his legs. Meanwhile Kate shifted her weight, locking Tom's arms in place beneath her. It was unnecessary. Knowing his sisters were fully capable of carrying out Kate's punishment if he disobeyed, he meekly waited for Kelly's return. It wasn't long before his sister bounded down the stairs holding not one, but two bathing suits. "I couldn't make up my mind," she announced holding them up. "I think Tom would be adorable in this pink bikini but I also have this yellow one-piece that might fit him better." "What do you think, Tom?" Kate asked. "Do you want to try them both on?" Tom grimaced. He didn't want to try either of them on. "Do I have to?" "Tom." There was a warning note in Kate's voice. "Kelly was nice enough to bring two bathing suits for you. You can start by thanking her... and then you can try on both of them." Tom gulped. "Thank you Kelly," he muttered. "Tom!" Kate's eyes flared. "Kelly deserves a better thank you than that. Not every sister would get two bathing suits for their little brother. Now thank her like you mean it!" Oh Christ! Tom thought to himself but quickly obeyed, switching to a cheery voice. "Thank you Kelly. I'm really happy you brought me two bathing suits to try on. Thank you." "Much better," Kate nodded approvingly. "Now which one do you want to try on first?" As she spoke Kelly held up the two bathing suits for him to see. "I don't know," Tom muttered, feeling embarrassed to be picking a girl's bathing suit to wear. "Tom," Kate said sharply. "Your sister brought these down especially for you. The least you can do is show her that you're pleased. Now which will it be?" "I don't ..." He caught himself in time. "Can I try on the pink one?" "You mean my nice pink bikini?" Tom nodded. "Yes Kelly. The bikini." "That's a nice choice. I think you'll look totally adorable in it." Kelly smiled and tossed the other one-piece onto the couch. "Now let's start with the top... I hope it fits." Smiling, she knelt over her brother and placed the bikini top on his chest. "Hmmmm... Kate, I think you're going to have to get off his arms for a moment. We've got to put his arms through the straps." Kate nodded. "Let's try one arm at a time. I don't trust him." Grabbing hold of Tom's right wrist, she shifted her weight and brought his arm out from beneath her. "Don't you dare try anything," she exclaimed, sitting back down on his trapped left arm while maneuvering the right into the bikini bra strap. Once the strap was over his shoulder the girls positioned his arm back over his head. Kate quickly shifted her legs, trapping his arm again. They then repeated the procedure with his other arm. All that was left was securing the bikini bra behind him. "Ok Tom," Kate said. "I want you to turn over onto your stomach. I don't want any trouble or you're going to be in for it. Understand?" "Yes," Tom muttered, feeling more than a bit embarrassed at what was happening. The girls helped him roll over and Kelly quickly hooked the strap behind his back. "There... Not too bad," she said, feeling under the strap. "It's tight enough. I don't think it will fall off him." "Ok... Now the bottoms." "Wait...," Tom protested. He didn't want his privates exposed. "Leave my bathing suit on." "Now Tom," Kate said. "Don't be silly. How are you going to look in a bikini if you're still wearing your bathing suit under it? It's got to come off." "But... But... You'll see me." "Is that what you're worried about? Your sisters seeing your little pee pee?" She laughed. "Well if that really bothers you we can take your bathing suit off with you on your stomach like this. That way all we'll see is your bum." Tom groaned. He didn't really have much of a choice. Give up his bathing suit with a modicum of dignity or be tickled and give it up anyway with his little pee pee flapping around for all to see. "Go ahead," he muttered. "Good choice, little brother." Kate nodded to Kelly who started tugging Tom's bathing suit down. It didn't take long before they realized the waistband string was tied. Kelly reached under her brother and into his bathing suit to find the knot. "What... What are you doing?" Tom cried. His sister's fingers were probing beneath his waistband. "Trying to untie that string holding up your bathing suit," Kelly replied. "Now hold still. I think I found it." "Oh damn... Did you tie a knot?" "Uh huh," Tom answered. "I didn't want them falling off." "Kate. Turn him back over. I can't untie it without looking at it." "No! Hey! I'll untie it!" Tom cried as he was unceremoniously turned onto his back. Kelly grasped his waistband, pulling it down so she could see the knot, and busily went to work. "Ok... It's coming loose," she said after a minute of fiddling. "There," she exclaimed, pulling the ends apart. "Now we can take his bathing suit off." "Wait! Wait!" Tom cried frantically. Kate had his upper body still pinned to the floor while Jen held his legs down. He couldn't stop Kelly from yanking his bathing suit down. "Let me turn over!" "Too late," Kelly exclaimed with a big grin as she pulled Tom's bathing suit down to his knees. "Hey! Stop!" Tom cried, frantically twisting in the hopes of turning over. No such luck. The girls held him down, flat on his back while they looked at his pee pee which was now standing straight up in the air... all four inches of it. "Look at our little brother," Kelly exclaimed. "He's got a hardon!" "You're right, Kelly," Kate said, smiling. "He does." Then turning to Jen she continued. "When boys want to have sex their little pee pees get stiff and excited; just like your brother is getting now." "You mean he wants to have sex?" "I don't know," Kate replied. "I wouldn't have thought so but he looks quite excited." She smiled down at her brother. "Do you want to have sex, Tom? Is that why you have a hardon?" Red-faced, Tom sputtered. Christ! His damn penis was as erect as could be! Couldn't the girls let him turn over so he could hide his shame. "Maybe it?s because he's trying on my bikini," Kelly chimed in. "Well let's not disappoint," Kate said. "Obviously he likes the top. Let's get him into the bottoms." They held him down, keeping him on his back even as he struggled to turn over. He was no match for the three of them. Off came the bathing suit and on went Kelly's bikini bottoms. They couldn't help but laugh at the little tent his erect penis made against the bikini panty. Once he was dressed the girls stood him up. Kate held him, arms under his and up and behind his neck. A wrestler would have called it a full nelson. Kelly disappeared but returned a few minutes later with her digital camera. Snap. Snap. Snap. And Tom knew he was doomed. "Well Tom... How do you like it?" Kelly asked. "I think you look adorable... especially with your little ?pee pee? sticking out like that." She grinned. "Do you think it will stick out when you try on my other bathing suit?" Tom's face couldn't get any redder. He just wished his sisters would disappear. They didn't. Instead, while Kate held him captive, the other two stripped off Kelly's bikini and had him don her one-piece bathing suit. Then Kelly got her camera and more damning pictures were taken. There would be no crying to their mother now! "Well, Tom," Kelly began, putting the camera down. "Which bathing suit do you like the best?" Tom hated them both, or the fact that he'd been forced to try them both on by his sisters. Christ! With the pictures they had, he was at their mercy. "Well, Tom? Which do you like better?" Christ! Couldn't they let him be? Did he have to pick one? "Tom. If you don't tell us which one you like, we'll just have to post a few of these pictures online and let your fans decide." "Jeez! You wouldn't!" "Which do you want to wear? My bikini or my one-piece?" Tom gulped. He couldn't deal with any pictures of himself dressed like this online. That was for sure! And if he said the bikini they would probably make him change back into it. He certainly didn't want to be naked in front of them again. The one-piece it was going to be. "I ... I like this one," he said, feeling himself blush as he spoke. "Ok. That's your bathing suit from now on. No more boy bathing suits for you." "Huh? What do you mean?" "Just what I said," Kelly replied. "From now on you put on my one-piece bathing suit when you go into the pool. I'm keeping your bathing suit." She smiled. "It's a fair trade, don't you think?" Tom gulped. He didn't want to wear a girl's bathing suit. "You can't do that!" He turned to his oldest sister. "Kate... She can't do that, can she?" "I'm not going to stop her. I think it will be cute, watching you swim about in a girl's bathing suit." "No! I can't wear Kelly's bathing suit!" Tom exclaimed. "Give me back my bathing suit." He lunged toward his sister. Kate was quicker, tackling him before he reached her. "Grab him!" she shouted. Kelly tossed Tom's bathing suit aside and jumped on her brother. Little Jen latched onto his ankle and a moment later he toppled over. The girls quickly overpowered him, just like before. Jen hung onto his ankle and maneuvered herself onto his leg, trapping it. Kate, the heaviest, sat on his chest as she fought to pin his arms to the floor. Kelly helped, grabbing one wrist with both hands and forcing it up, over his head and onto the carpet. She kept it pinned to the floor while Kate attacked his other arm. "Cut it out!" Tom protested. "Give me back my bathing suit and let me go!" "No Tom," Kate said, grabbing for his free arm. "You're staying in Kelly's bathing suit." "No!... I'm not going to!" He twisted beneath Kate, hoping to at least turn onto his stomach. Jen however, had one of his legs between hers while holding tightly to the other with her arms. With his legs spread and held by his little sister and one arm held captive by Kelly, he wasn't able to twist much at all. "Stop it! Let me go!" he cried out again. Kate though, had caught his flailing arm. Over his head and down onto the carpet it went. "You are in trouble now," Kate said, looking down at her younger brother, his arms pinned helplessly over his head once again. "You're staying in Kelly's bathing suit for the rest of the afternoon. And from now on, whenever you go into the pool, that's what you'll be wearing. Understand?" Tom gulped. Christ! How had he ended up in this predicament? He probably shouldn't have been such a pest earlier. Now he was stuck in Kelly's bathing suit. "Tom, " Kate began in a no nonsense tone. "I'm waiting for an answer." "Why do I have to wear Kate's bathing suit?" Tom asked. His lips trembled. He was close to tears. "Because we said so," Kate replied. "You've been a royal pain in the you know what lately. Maybe wearing a girl's bathing suit will teach you to behave out by the pool." "I... I'll behave. Don't make me wear this." "Stop arguing. You're going to wear it and that's final." She glared down at him. "Now before we go outside you're going to get a sample of what's in store if you don't behave out there." "Hold him down," Kate directed her sisters as she turned around so that she was kneeling with Tom's arms between her legs. When she sat down Tom's arms were trapped beneath her. Kelly scooted around to join Jen and the two girls immobilized his legs. Poor Tom wasn't going anywhere soon. "This is what happens to little boys who don't behave," Kate began. She traced her fingers lightly in his armpits and smiled when he squirmed beneath her. "Don't," Tom pleaded. "Don't tickle me." "This is just going to be a little sample..." Her light tickling continued and Tom giggled and squirmed, unable to escape her fingertips. "From now on, anytime you don't behave yourself, this is what you'll get." Her fingers dug a little deeper. "Ha ha ha ha... Stop it... I'll be good... Ha ha hee hee." Tom wriggled and squirmed but couldn't escape Kate's devilish fingers as she continued to tickle him. His laughter grew and Kelly straddled his stomach to keep his squirming in check. "Ha haha ha! ... Oh God! Please stop! ... Ha ha ha hee hee! Please! I'll be good! I promise!" Poor Tom! The girls had no intention of stopping just yet. Jen had changed position and was now sitting on Tom's legs, facing his feet. She grabbed one with both hands as Tom, realizing his foot was about to be tickled, frantically tried to kick free. It didn't work because at the same time Kelly attacked his ribs. With three different spots of his body being tickled all he could do was squirm helplessly about. He was beside himself. "HA HA HA!!! ... HEE HEE!!!! ... HA HA!! Please! Please stop! HA HA HA!!! I promise I'll be good! Just please stop!" His frantic laughter intermixed with fervent pleas was music to his sisters' ears. Tom was going to behave... or else! For the next few minutes they continued their tickle torture. Poor Tom was beside himself; frantically laughing and wriggling helplessly as he pleaded for them to stop. He promised to behave. He promised to keep Kelly's bathing suit on. He promised to wear it at the pool. All summer if they wanted him to. Just please stop tickling him! Finally, Kate decided they'd tortured him enough, for now. "Oh God! Thank you!" he gasped breathlessly when they stopped. He lay recuperating, his breath coming in gasps, while Kate explained that the next time he misbehaved or argued with them, he would look back at this sample session as a walk in the park. They would tickle him until he threw up or peed himself. Then they would tickle him some more. A lot more. When they were done, Tom would be the most well- behaved brother a girl could want. Tom gulped at the thought of another tickle session. He'd behave. No way did he want to go through that again. And if Kate wanted him to wear Kelly's bathing suit, he'd do it. No arguments. He was definitely no match for his three sisters. They'd proven that several times today and he'd finally learned his lesson. The girls were in charge. He wasn't. And the girl's bathing suit they were making him wear certainly brought that point home. Now maybe it was that he'd just been overpowered and tickled silly by his sisters or that he was now wearing Kelly's bathing suit but in any event, being humiliated was having a distinct effect in his crotch area. Jen noticed it first. "Look," she squealed. "Tom's getting a hardon again." Oh Jeez! He felt his face redden as he looked down to where Jen was pointing. The tight fitting bathing suit didn't hide a thing. The girls giggled as they watched the growing lump in the bathing suit. A red-faced Tom tried to wish it away but it had a mind of its own as it stiffened under the tight material. "Does he want to have sex now?" Jen asked. "No," Kelly answered. "I think he just likes wearing my bathing suit." She turned to her brother. "Is that it, Tom? Does wearing my bathing suit turn you on?" Tom turned a deeper shade of red. He couldn't take much more of this. "Let me up!" he cried, twisting about. Kate still had his arms trapped beneath her and Jen was on his legs so his twisting didn?t get him very far. Kelly, who had gotten off him to one side, quickly straddled his stomach again, cutting off any hope of escape. "C'mon! Let me up!" "The only way you're getting up is to march back out to the pool with us," Kate exclaimed. "No! I don't want to go outside like this!" "Oh but you're going to!" Kate quickly moved her fingers to his armpits. "Ha ha ha! Stop it!" Tom squirmed helplessly. "Hee hee hee! No more tickling! Please!" "Are you going to go outside with us?" "Yes! Ha ha hee hee... Yes. Please stop!" "Good decision," Kate said, slowing her fingers. "Now get up and don't give us any trouble. Remember what I said would happen with our next little tickling session." Tom didn't need any more reminders. The girls got off him and he rose up, meekly following them back outside to the pool. Luckily no one was home at the neighbor's house so the bathing suit would remain a secret for now. For most of the afternoon he sulked, watching his sisters play in the pool. He refused to go in, choosing instead to lie down on a chaise lounge and pretend to be asleep. The next several hours were uneventful as the girls let Tom be. At five o'clock it was getting close to when their mother got home from work and the girls brought Tom in so he could change. "Now Tom," Kate began. "Mom might be surprised to see you in Kelly's bathing suit so we're going to let you put some of your boy clothes back on. Ok?" Tom nodded. Thankfully this was coming to an end and he could take off the damn bathing suit. "But," she continued. "We decided that when you're not wearing Kelly?s bathing suit you would be wearing her panties." Tom gulped. You've got to be kidding, he muttered to himself. "Mom won't notice the panties and you get to keep playing dress-up." She smiled. "That's a win-win now isn't it?" "No!" Tom replied angrily. He'd been so ready to be done with all this. "Tom," Kate said. The warning tone in her voice was obvious. "We've still got time for another tickle session if you want us to change your mind for you." Oh Jeez! The outcome was becoming obvious. This just wasn't fair! "Ok," he muttered, unable to look at his sisters. Kelly ducked into her room and returned a moment later holding a pink panty. "Here you go, cutie," she said, a wide smile on her face as she handed Tom his new underwear. Reluctantly Tom took her panties and headed into his room, slamming the door behind him. He tore off Kelly's bathing suit, relieved to finally be out of it. Then, knowing he didn't have a choice, he pulled on his sister's panties. Surprisingly his penis began to stiffen as the thin material slid over his crotch. Oh Jeez, he muttered. Not again! He quickly put on some pants, hoping it would go away. He found a shirt and threw on his sneakers before heading downstairs. The girls were waiting for him. "Are you wearing them?" Kate asked. Tom nodded, feeling a bit embarrassed. "Show us." "Huh?" "You heard me. Pull down your pants and show us you're wearing Kelly's panties." Kate had a no nonsense look on her face. "Or would you like us to take your pants down instead?" Tom gulped. He was no match for the three of them and he certainly didn't want to be pantsed by his sisters. Reluctantly his hands went to his belt. He dropped his pants so that the pink material was visible. "Satisfied?" he asked and started to pull them back up. "Wait," Kate said. "Drop your pants... All the way." Tom glared at her for a second and then complied, pulling his pants down below his hips so the girls could see. "Oh cute... Adorable..." Tom's sisters grinned as they admired their brother. "Happy? Now can I pull up my pants?" Kate nodded and the girls headed downstairs, leaving Tom to buckle up. "Oh Tom," Kelly called from downstairs. "What did you do with my bathing suit?" Tom gulped. He'd left it on his bed. How would he explain that to their mother? "I'll get it," he replied. "Don't bother," came the answer. "You're going to be wearing it again so why don't you keep it?" Tom didn't answer. Instead he stuffed her bathing suit in his dresser. It dawned on him that his sisters hadn't returned his bathing suit. All he now had was Kelly's. He hung out in his room until dinnertime. The evening was pretty much uneventful. Their mother got home from work and she and the girls got dinner ready. He was very quiet during dinner but his mother didn't notice as his sisters monopolized the conversation. After dinner Tom spent the evening in his room, not wanting to be anywhere near his sisters. It wasn't until almost nine that there was a knock at his door. Before he could even say 'Go away', it opened and Kelly strode in. "Are you still wearing them?" Grimacing, Tom blushed and nodded. "Yes," he answered. "Are you happy?" "The question is, are you?" She stood with her hands on her hips. "Undo your pants and let me see." "Jeez Kelly," Tom protested. "Don't you believe me?" "Oh I believe you," she said, smiling. "I just want to see if you're happy." Tom groaned inwardly, understanding what she meant. The truth was that he'd had an erection all evening and showing it off to his sister know was not what he wanted to do! "Tom...," she began when he made no move to undo his pants. "Take your pants down right now or you are really going to be in for it tomorrow!" Tom gulped. He'd be at their mercy once their mother left for work. Obedience was his best course of action. Groaning to himself, he undid his pants and pushed them down so Kelly could see he was still in her pink panties. Although he tried to hide the distinct bulge in the panties, his sister was having none of it. "Take your hands away," she ordered, glaring at her younger brother. Tom gulped, afraid she was getting angry, and obediently took his hands from his crotch. His little penis stood fully erect, tenting out the panties, for his sister to see. "I thought so," she said, a smirk on her face. Then she turned and walked out of his bedroom. * * * Jen couldn't stop thinking about her brother's 'pee pee' and how it got all stiff when the girls made him show it to them. She'd known more than she'd let on to her sisters; when boys? penises got hard, out came that gooey white stuff filled with sperm. She wondered what it would be like to see Tom's penis shooting his sperm. Day Two The next morning Tom got up late. His sisters were already up and their mother had left for work. After showering he was surprised to find the girls in his bedroom waiting for him. "What... What are you doing here?" he asked warily. "We just want to make sure you get properly dressed this morning," Kate answered. "It?s important to wear the right undergarments. Any girl will tell you that." Tom glanced around. All three girls had wide smiles. Warily he clutched the towel he was wearing. "What are you talking about?" "I think you know," Kate replied. "You didn't think Kelly was just lending you her panties for one night, did you?" She smiled and nodded to her sister who brought the pink panties out from behind her back and held them out to Tom. "You liked wearing them so much last night we decided you could wear them again today," Kelly announced. "Here... Take them." Tom gulped. Christ! This wasn't going to happen again! "No!" he replied angrily. "I'm not going to wear your panties today!" "Tom!" Kate exclaimed. "Put Kelly's panties on right now or you're going to find out what happens to little brothers who argue with their sisters. Either way you're going to end up in panties!" Yesterday's tickling sessions were not so fresh in his mind this morning but the embarrassment he'd felt at wearing Kelly's bathing suit and panties was. They couldn't put him in girls' clothes again! He wasn't going to stand for it! "No! No I'm not... Now get out of my room!" "Ok girls," Kate began. "It looks like he didn't learn his lesson yesterday. Let's grab him." As his sisters approached, Tom slowly backed away trying to think how best to defend himself. Given that one hand was tied up holding the bath towel he didn't have very many options. His best shot was to get away from them if he could. Unfortunately, before he could make a run for it, Kate reached out and shoved him backwards, causing him to topple onto the bed. "Get him!" Kate exclaimed as the girls quickly pounced. Tom tried to defend himself as best he could one handed but Kelly pushed him onto his back while Kate pinned his free arm down. He had no choice but to release the towel as tried to fend them off. Big mistake. Jen yanked the towel and suddenly Tom was naked. "Hey!" he cried out. "Give me my towel back!" He squirmed frantically, trying to roll onto his stomach so his genitals would be hidden. No such luck. Little Jen tossed the towel aside and jumped onto his free arm, pushing it down on the bed. He was flat on his back, naked, with his three fully clothed sisters on top of him. "Let me up! ... Get off me!" "No Tom. We talked about what would happen if you argued or gave us any trouble." Kate held her squirming brother's arm firmly against the bed. Jen, the smallest of the sisters, was having trouble holding Tom's arm down. He managed to twist it away but unfortunately Kelly caught his wrist before he could do anything. "No! Let go!" he cried, trying to free himself from her grasp. Jen jumped right back into the fray and, between the two of them, forced Tom's wrist back down onto the bed over his head. Kate quickly hopped onto the bed, pulling Tom's other arm over his head. Before he could do anything she straddled both his arms, trapping them beneath her. "Hold him!" she exclaimed. "Kelly... stay on his stomach. Jen... Grab his legs." Tom struggled frantically but it was three against one. He couldn't break free. Suddenly something was poking into his bellybutton! "Ha ha! Cut it out! Get your finger out of there! ... Hee! Hee!" Kelly's finger devilishly probed Tom's unprotected navel. He was quite ticklish there but with the girls on top of him, all he could do was desperately wriggle and squirm. "No! Ha ha ha... Stop!" Poor Tom laughed uncontrollably as Kelly dug her finger deep into his sensitive bellybutton. "Don't! Hee hee hee... Stop! Please!" He forgot all about being naked in front of his sisters, not caring that his little penis bobbled about in full view. Kate was now attacking his armpits and all he could do was laugh and gasp frantically as they tickled him. He didn't want another day of this. "Ha ha ha! Please stop! I'll wear panties! Hee hee heee! Please! Ha ha... I'll put panties on!" "You're darn right you will!" Kate exclaimed, not letting up at all. "But first you're going to get a spanking for arguing about it." She glanced at her sisters. "Roll him over... Jen, you can have the honors while Kelly and I hold him down." She smiled at the look of excitement on her younger sister's face. "And don't go easy on him." "Oh I won't," Jen replied, switching places with Kelly. "No! You can't do this!" Tom protested as the girls manhandled him onto his stomach. "I said I'd wear panties." "That's right you did," Kate acknowledged. "But first you refused... and we had to change your mind." She shifted about and sat squarely on Tom's back, holding him down. "Now you're going to learn that when one of us tells you to put on panties, the only thing we want to hear from you is 'What color?'. Understand?" Without waiting for an answer she nodded to Jen. Smack! Jen's hand came down hard on his bare bottom. "Hey!" Smack! Down it came again, harder this time. "Owww... Cut it out!" Tom tried to twist away but the girls held him while Jen continued his spanking. It was humiliating to be treated like this but there was nothing he could do. Jen's hand came down again and again. "Owwww... Owwww! ... Owwww!" "That's it, Jen," Kate encouraged. "Show your brother what happens when he gives us an argument." "Owww!... Owwww!" Tom continued to cry out as the palm of Jen's hand connected with his backside. "I said I'd wear them! Stop!" Now being spanked was having another effect on Tom. The humiliation had given him an erection and pressed against the bedsheets, it was growing. Each swat of Jen's hand not only hurt but also caused the feelings in his crotch to grow. Before long he felt himself on the verge of cumming! He was mortified that he couldn't do anything about it! Jen kept spanking him and he involuntarily began thrusting his hips up and down, humping the bed. Seconds later he gasped and began to spurt excitedly. His orgasm was tremendous, made more so by Jen who kept right on spanking, not realizing what was happening. Kate though, sitting on his back, felt his body tense as he began to cum. Then, seeing his bottom humping the bed, she realized what was going on. "Ewwww," she exclaimed. "Tom's making a mess on the bed!" "What?" Jen said as she brought her hand down again on her brother's now red bottom. "You got him all excited. He's cumming!" Jen stopped and the girls watched in awe as Tom humped the bed, unable to stop his orgasm. For the next several seconds he thrust his hips against the bed as he ejaculated. Finally, it was over and Tom lay catching his breath and feeling totally humiliated by what had just happened. "Tom," Kate said. "Did you just do what I think you did?" Mortified, he just lay there with his eyes tightly closed. "If we turn you over, are we going to find a wet spot?" Tom slowly nodded but Kate, sitting on him and facing the other way, didn't see. "Tom," she repeated. "Did you make a wet spot on your bed?" He grunted, feeling embarrassed at what he'd done. Being spanked by his sisters and having an orgasm was totally mortifying! He was never going to be able to live it down. "Tom... Answer me." "Yes," he muttered loudly enough for her to hear. "Oh Tom," Kate began in an exasperated tone. She pushed herself off him and knelt on the bed. "Why don't you go and clean up. You don't want to get Kelly's panties all messy." Tom got up, covering his genitals with his hands. He couldn't look his sisters in the eye as he slunk off to the bathroom. "Don't forget these." Kelly handed him her panties as he went by. In the bathroom Tom took a wet washcloth and cleaned himself up. He could hear laughter coming from his bedroom and just knew they were talking about what he'd done. The day was not off to a good start! Meanwhile the girls were giggling at the large wet spot on Tom's sheet. Kate explained to Jen that that is what boys did when they got sexually excited. She was just surprised that it occurred while he was being spanked. Kelly suggested Tom ought to wash his sheets before their mom saw the stain. Jen pointed out that her sheets could use a cleaning too and it was quickly decided that Tom would wash all the bedsheets and then make the beds. Well since he was going to be doing laundry, he might as well do all the laundry. All the girls' dirty clothes could use a washing. The girls looked up as Tom entered the room and smiled. Kelly's pink panties looked adorable on him, especially the little lump his now deflated penis made. "Now can I put my clothes on?" he asked. It was embarrassing and he moved his hands to cover himself. "Go ahead," Kate replied. "Just remember... The panties stay on all day. Unless, of course, you decide to go swimming. Then its Kelly's bathing suit." She smiled, waiting for Tom to protest. He didn't. He was learning. "Now while you were changing we decided the sheets needed washing, especially yours." She smiled as Tom blushed. "Our dirty clothes need washing too. So guess what you're going to be doing this morning?" "Fine," Tom answered, somewhat snarkily. He wasn't going to argue but he wasn't happy about it. He spent the morning doing loads of laundry. His sheets. The girls' and their mom's sheets. And then everybody's dirty clothes. In between he made beds and put away everyone's newly clean laundry. He learned the girls were particular about their underwear drawers. Bras and panties needed to be folded and lined up neatly. Finally, by lunchtime he was done. After a snack he hid in his room. It was a sunny day and the girls decided to sit out by the pool. Kelly stopped by on her way out and invited him to join them. "No... I think I'll stay in this afternoon." Damned if he was going to put on a girl's bathing suit again. The panties were bad enough. "Well if you change your mind you know where my bathing suit is." The rest of the afternoon went by uneventfully. Tom stayed in his room, sulking and trying to figure a way out. It was becoming painfully obvious his sisters were going to keep him in panties. It wasn't fair and he just had to find a way out of it. Their mother was no help. She was gone all day long. Jen had pictures of him in the bathing suits. He'd just die if she posted them on social media. Plus, he couldn't fight all three of them. They?d proved they could overpower him and then tickle or even spank him. He grimaced, thinking how he embarrassed himself during this morning's spanking. Did this mean he'd have to obey them and wear panties all summer? Oh God! He felt like crying at the predicament he was in. Dinner was like the previous night. The girls and their mother chattered away while Tom barely said a word. He was still in panties. Until bedtime. Those were the new rules which the girls made clear to him earlier. Later Kelly stopped by his room. "Here," she said, handing him a new pair of panties. "These are for tomorrow. You can't wear the same panties all week." "Kelly... C'mon. Can't I wear my boy underpants?" "I don't think so. Kate says you'll be better behaved if you wear panties and I think she's right. You haven't bothered us nearly as much since you started wearing them yesterday." After she left Tom considered this new information. So he was better behaved in panties, was he? Maybe he needed to change that. Day Three The next morning Tom got up and showered as usual. This time the girls weren't waiting for him when he came back from the bathroom. He debated putting on Kelly's panties and then wisely decided not to tempt fate. He put her panties on and then finished dressing. "Good morning Tom," Kate said when he came downstairs. "Uhhh ... Good morning." "What color did Kelly give you last night?" "Huh?" Tom asked, somewhat surprised at the question. "You heard me. What color panties did Kelly give you last night?" "Ummm...," Tom blushed. "They were white... with pink and yellow flowers." "Are you wearing them?" Tom's face turned redder as he nodded. "Uh huh." "Then you won't mind if we check." Before he could respond, Kate called out to her sisters. "Kelly! Jen! C'mon into the kitchen. It's time for your brother's panty check." "Ok," Kate said when the girls had gathered. "Take your shorts down and show us." "Do I have to?" Tom pleaded. "I told you I was wearing them. Don't you believe me?" "Tom," Kate said rather sternly. "We're doing a panty check. I don't want an argument. Now pull your shorts down." Tom saw the no nonsense look on Kate's face. It was three against one. He grasped the waistband of his shorts and pulled them down. "Happy?" he asked. "All the way down," was her response. Tom felt his penis twitch. It was humiliating to drop his shorts so the girls could see he was in panties. However, he complied, pushing his shorts down until they fell to his ankles by themselves. Realizing his penis was becoming hard, he covered himself with his hands. "Turn around so we can see all of you." Red-faced, Tom pirouetted for the girls. He felt his penis stiffen even more at the humiliation. "Ok," Kate said, satisfied. "Pull your shorts back up. I hope Kelly has enough panties for the two of you. Otherwise we might have to go shopping." Tom silently gulped. If he didn't do something about it soon, he was going to be spending a lot of time in panties this summer. And he certainly didn't like the implied 'going shopping' threat. If the girls thought that keeping him in panties would make him better behaved, they had another think coming. Later that morning Tom saw his chance. The girls were out by the pool. Tom saw the garden hose and knew that the 'old Tom' would seize the opportunity to spray his sisters. That would show them that he hadn't changed. Panties wouldn't stop him from being a brat. Whoosh. The water from the hose arced across the backyard. Jen, the closest, got it first. "Hey!" she cried out. "Cut it out, Tom!" Her brother stood off to the side holding the hose. As she watched he swung the hose toward her sisters. "What the..." Kate turned as the water rained down on he. Kelly was next. "Tom! I can't believe you're doing this!" Kate yelled. "C'mon girls! Let's get him!" Tom sprayed the girls as they charged him, but when that didn't stop them, he dropped the hose and ran. He darted into the house, slamming the door behind him, and ran upstairs. The girls were right behind him though. He tripped on the stairs, wasting precious seconds. Kelly was right on his heels as he ran into his room. "Grab him!" Kate shouted as Kelly tackled her brother, pushing him onto the bed. A moment later Kate and Jen were on top of him. "So you're going to spray us with the hose, are you?" Kate was already kneeling on the bed, Tom's arms trapped between her knees. "Looks like we're going to have to teach you a lesson!" Jen and Kelly held his legs as Tom realized how stupid he'd been. But it was too late. Kate's fingers dug into his armpits and he immediately commenced laughing. "Ha ha ha! Hee he! Cut it out!" That was wishful thinking on Tom's part. Kelly pushed his t-shirt up and poked her finger into his belly button making him laugh and thrash wildly. Meanwhile Jen wrestled a sneaker off. With one hand holding his foot tightly, she tickled his bare sole. Poor Tom was beside himself. "Ha ha ha! Please stop! Hee hee hee! Oh God! I'm sorry! Hee hee hee!" "Oh you're going to be sorry!" Kate exclaimed. She'd pulled his t-shirt up over his head to have better access to his underarms and ribs. Now she ran her fingers over them, tickling her brother silly. Tom realized he'd made a mistake, turning the hose on the girls. He hadn't counted on being tickled to death! Unfortunately, he'd made another mistake by not going to the bathroom first. Now his bladder was beginning to leak. "Ha ha ha! Stop! I've got to go to the bathroom!" "Well go ahead and pee yourself! We're not stopping till you do!" "HA HA HA! STOP!!!" The girls had redoubled their efforts and Tom frantically thrashed about, now laughing hysterically. He couldn't control himself and his bladder let loose. "He's peeing!" Kelly exclaimed seeing the wet spot on Tom's shorts grow. Then it was dribbling down his leg and onto the bed as his bladder emptied itself. Tom was mortified as the girls stopped their tickling and stared at the mess he'd made. His shorts were soaked, as was the bed. Oh God! This was totally embarrassing. Tom wished he could disappear. "Get up, Tom." Kate finally ordered. The girls got off their brother, allowing him to sit up. "Go in the bathroom and clean yourself up. When you're done, come back here." Tom got up and slinked off to the bathroom where he shed his wet clothes and grabbed a wet wash cloth to clean himself up. With nothing to wear, he took a towel and wrapped it around himself before returning. The girls meanwhile had moved on to Plan B. Obviously putting Tom in panties had not been enough to quell his bad behavior. He needed a more obvious reminder. "These are clean," Kelly said, handing Tom a pair of panties. "Put them on." Tom gulped. Was this ever going to end? He took the panties from his sister and stepped into them, pulling them up beneath the towel. "So... Since just wearing panties doesn't seem to make you want to behave we decided you ought to be a little more girlish." Kate smiled at her brother and nodded to Kelly. Tom audibly gulped when Kelly withdrew a bra from behind her back. They weren't going to make him wear that, were they? "It's a training bra," Kelly said, answering his question. "I used to wear it but it?s going to be yours now." "I... I'm not wearing that!" Tom exclaimed vehemently. "You can't make me!" "Oh but we can," Kate interjected. "And we will." As she spoke, she got up from the bed. "Get the door, Jen. He's not going anywhere." Tom backed away as Kate and Kelly approached him. Behind him Jen had closed the door. "You can put this on like a good little girl or we can put it on for you. But then you'll also get a spanking. Which is it going to be?" Tom looked from one girl to the other. He was damned if he was going to submit to this latest indignity without a fight. He charged Kate and sent her sprawling onto the floor. Kelly though jumped on him before he regained his balance and he found himself on top of Kate. Kate, recovering from her surprise, quickly grabbed Tom's arm. Before he knew it, Jen had his legs while Kelly, pressing her advantage, straddled his stomach. Tom was once again defeated. The towel had come off and, as the girls pulled him up, they realized he was beginning to sport an erection. Christ! 'Ooohing and Ahhing' they put his arms through the bra straps and pulled them up to his shoulders. Kelly stretched the material and clasped the hooks in back. It was a bit tight but they adjusted the bra over his chest. "So if wearing panties won't make you behave; we'll just have to keep adding girl clothes until you do. This bra stays on. Understand?" "But... But...," Tom began. "No buts," Kate said. "The bra and panties go on when you get up in the morning and stay on till you go to bed at night." She smiled. "Unless, of course, you change into Kelly's bathing suit for a dip in the pool." "But my shirt won't hide this." He looked down at his chest. "Mom will know..." "Well if you behave, maybe we'll let you take it off before she comes home. If not, we'll tell her you like dressing up and that you asked to wear it. Who do you think she's going to believe? The three of us or her son sporting a bra and panties?" Tom groaned. She was right, of course. The girls had him now. He'd behave. Unfortunately, they weren't through with him yet. "Can I get dressed now?" he asked. "No," Kate said. "You're as dressed as you're going to be." "Huh?... I'm wearing Kelly's underwear. At least let me put on a shirt and pants." "No Tom. We promised you a spanking for fighting us about putting the bra on. Now you're going to get it. C'mon over here." She sat down on the bed as Tom approached and pointed to her lap. "Get across my knees... butt in the air." Tom shook his head. "Tom," Kate said sternly. "You're getting a spanking. Now either get across my knee or we'll put you over my knee. Trust me. You're spanking will be much worse if we have to do that." Tom gulped, realizing he had no choice. He stepped forward and lay himself across his older sister's lap. Kate grasped the waistband of his panties and yanked, exposing his bare butt cheeks. Smack. Smack. Smack. "Owwww," Tom cried, embarrassed more than hurt. His damn penis was becoming erect. "From now on," Smack. "you're wearing a bra and panties" Smack. "until you learn to behave," Kate scolded. Smack. "Owwww! Owwwww! Stop!" He was getting frantic, not wanting a repeat of yesterday's performance. His damn penis was fully erect and excited. Smack! Smack! Smack! Tom's breath quickened uncontrollably as the feeling in his crotch grew. Then it was too late. Gasping excitedly, his penis let loose in a most intense orgasm. "Oh Tom!" Kate exclaimed as she felt him start to hump up and down in her lap. Smack! Smack! Smack! She spanked him harder, knowing he was in the throes of an orgasm. Tom didn't care now. Later he would but now it felt wonderful. He barely felt Kate's hand on his bottom as he emptied himself into Kelly's panties once again. Oooh, it felt good. "You little pervert!" Kate pushed Tom off her lap. He ended up on the floor, the wet spot on his panties visible to all. She looked down into her lap and was relieved to see he hadn't gotten any on her shorts. "I can't believe you!" she exclaimed. Tom sat looking up at her feeling mortified at what just happened. Again. "I ... I couldn't help it," he muttered. "Couldn't help it?" Kate looked about exasperated. "First you pee yourself. Next you squirt your jism all over. It?s taking all of Kelly's underwear to keep you in panties." "I think it?s laundry time again," Jen chimed in. "Look at the sheets." "And my panties," Kelly added. "It's not even noon and Tom has ruined two pair already." "Your sisters are right, Tom," Kate said. "After you get changed plan on doing the laundry again." Tom nodded. He couldn't argue; not feeling humiliated as he was. "Now why don't you ask your sister for another pair of panties, unless you want to stay in those messy ones." Ask Kelly for panties? But staying in the ones he was wearing would just be a humiliating reminder of what happened. Tom groaned to himself as he turned to his sister. "Can I have another pair of panties?" "Please," Kelly said, expectantly. "Please," Tom repeated. "Please what?" "Please can I have another pair of panties?" "And why do you want them?" she teased. "To wear," Tom replied, unable to look at her. "Ohhh...," she smiled. "My little brother wants to wear my panties. Would you like them to match your training bra?" Tom gulped. This was humiliating. He hated the teasing. "I... I don't care." "Well you should," Kelly retorted. "Girls care about whether their underwear matches and you're learning what it?s like to be a girl. So... What color panties do you want?" He glanced down at the bra he was wearing. "White," he whispered. "Good choice." Kelly smiled and stood up. "C'mon... Let's go to my room and you can pick out a pair to change into." Not really having a choice, Tom followed his sister. She opened her dresser drawer and told him to pick out a panty to wear. He looked briefly then grabbed the first white panty he found. "Now go clean yourself up," Kelly directed. In the bathroom Tom removed the wet panties. He'd shot quite a load he realized as he wiped his dripping penis. Then he pulled the clean panties up. Glancing in the mirror, he saw himself. Kelly's bra was tight across his boyish chest and he reached up to adjust it. The panties covered his genitals, just barely. His damn penis had not gone completely soft and was having a bit of difficulty staying inside the panties. "Tom," Kate said impatiently. "What's taking you so long?" Groaning, he opened the door and stepped out of the bathroom. The girls were there to greet him with wide smiles as they looked him up and down. "Ok," Kate said, taking charge again. "Time for laundry." "Wait," Tom said. "Can't I put on my clothes first?" "You're in your clothes," Kate replied. "That's all you wear until you learn to behave." "No...," Tom whispered. "C'mon... Let me put on a shirt and shorts." "Tom... The last time you had a shirt and shorts on you ran outside and squirted us with the hose. That's not going to happen again!" "It won't. I won't do that again... I promise." "No you won't," Kate retorted. "When you learn to behave we'll let you cover up, but until then you're going to show off how cute you look in a bra and panties." "C'mon Kate... Please." "Tom. Don't argue with me or the next thing you know; you'll be showing off to a couple of my friends!" Oh Jeez! Tom was beside himself. Kate wouldn't do that, would she? Christ! He couldn't stop her. No more arguments! That was for sure. Tom meekly turned and started collecting the sheets and panties for washing. Kate grinned. The look on her brother's face had been priceless. The boy did not want anyone to see him like this! "Aren't you forgetting something?" Kate asked when Tom started down the stairs with the laundry. "Uhhh... No. I've got the sheets and Kelly's panties." "What about yesterday's clothes for the rest of us?" "Ummmm.... Sure." Tom came back up and dutifully went about collecting yesterday's dirty clothing from the girls' rooms and adding it to the laundry basket. He felt funny, parading before his sisters in Kelly's bra and panties. They were fully clothed while Kelly's panties barely concealed his penis. Plus, he was very aware of the bra. Kelly had been smaller when she started wearing it and it was a bit tight on him. While he started the load of laundry the girls went outside. They warned him not to try to cover up unless he wanted to find himself in front of Kate's friends in just a bra and panties. Tom wasn't going to chance it. No matter how uncomfortable he felt just wearing girl underwear, it was nothing compared to being on display to Kate's friends. Every half hour or so Jen came in to check on him. The first time, she found him reading a magazine while waiting for the washing machine to be done. "Stand up," she said. "Kate wants to make sure you're not trying to cover yourself up." "Look at me," Tom exclaimed, opening his arms so she could see. "I want you to stand up," Jen repeated sternly, hands on her hips. Begrudgingly Tom pushed himself up. He didn't like having to take orders from his little sister but he wisely didn't disobey her. "That's better." She inspected him for a moment. "Take your hands away." Tom groaned but obliged, removing his hands from his crotch area. He felt his face redden as he realized his penis had stiffened. Jen was looking directly at it. After staring at his crotch for several seconds, she moved her eyes upward to his and smiled. "Ok." Then she turned and walked away. The next time she had Tom stand up again, hands away from his crotch, while she took her sweet time inspecting him. It was demeaning to say the least, especially since his semi-erect penis was quite visible beneath the flimsy material. However, he didn't dare disobey her. He was upstairs the next time she came to check on him. The laundry was done and he?d just finished remaking his bed. "Hello Tom." "Oh...Hi Jen." He returned her greeting, standing up straight as he turned to face her. He resisted the urge to cover himself with his hands, even though he felt his penis twitch. Jen saw the movement in the panties and smiled. Kate had said that having to stand in front of his little sister wearing nothing but a bra and panties was probably having an effect on his penis. Sort of like when they?d spanked him. "How do you like what you're wearing?" she asked. Tom shrugged. "I don't." "Kate says you wouldn't be getting all stiff there..." She pointed at his crotch with her eyed. "Unless you liked it." Tom groaned to himself. He was getting stiff. He couldn't help it. But that didn't mean he liked dressing up! "Look at you," she said, smiling. "Boy are you getting stiff down there. Kate must be right." Tom looked down. He was fully erect now; all four plus inches was making a little tent pole in the panties. It was embarrassing, especially as Jen was taking it all in. Jen's smile grew. She had an idea. "Let me see." "Huh?" Tom wasn't sure what she meant. "Take the panties down. I want to see your thingie." "Jen... No." "Take them down Tom. I want to see your 'pee pee'. You don't want me to call Kate and Kelly in here, do you?" "No...," Tom groaned resignedly as he obediently pushed the panties down. His little penis stuck straight out for Jen to see. "Oh... It?s so cute," Jen squealed. "Did it get big like that because you're in a bra and panties?" Tom shrugged non-committedly, not wanting to admit the obvious. To her or even to himself. "Can you make it squirt again?" "Jen!" Tom exclaimed, turning away and pulling the panties back up. He was shocked. "Tom!" Jen cried angrily, hands on her hips. "I'm not done. Pull those panties back down. Now!" "Jen...," he began but the look on her face made him tread lightly. His little sister was getting angry. "C'mon... This is embarrassing." "Tom! Are you arguing with me?" She glared at her older brother. "I'm not done. I want to see your 'pee pee'. Now pull those panties back down or I'm calling Kate and Kelly." Tom had no choice. Jen had him by the balls, so to speak. As he pushed the panties down his little penis, freed again, sprang straight out, happier than ever that Tom had to obey his little sister. Jen smiled at the sight of her brother's stiff penis. She'd heard that boys got hard when they got excited. Finally, she was seeing it with her own eyes. "So," she began. "Your 'pee pee' is sticking straight out. Does that mean you're going to make it squirt again?" "Jen..." The question embarrassed him. "Was it sticking out like that when Kate was spanking you?" "C'mon Jen... Don't ask questions like that." "Was it?" she repeated, waiting for an answer. With a groan, Tom nodded. Jen smiled and, without thinking, reached for her brother's penis. It looked so cute, sticking straight out, just asking to be touched. "Jen! What are you doing?" Surprised, Tom pulled away. "Don't..." However, his little sister didn't let go. Instead she grinned and tightened her grasp causing Tom to audibly gasp. "Jen... No..." He slapped ineffectually at her hand. Jen instinctually tugged and squeezed his erect penis and before long Tom's protests melted away. His breath quickened as he got more and more aroused. "Jen! Oh Jeez, Jen!" he moaned excitedly, uncontrollably humping her fist as the first spurt of cum shot from his penis. "Oh God!" he gasped, continuing to spurt, as his little sister squeezed and tugged his excited penis. "Oh Jen! Oh Jen!" Finally, it was over. Tom was done although Jen kept squeezing his penis, milking the last drops from him. When she was satisfied, she stopped, smiled at Tom, then turned and left the room. It took Tom a few moments to recover. He couldn't believe what had just happened. Looking down he saw large drops of his cum all over the floor. Somehow the panties remained unstained. He pulled them up and set about cleaning the mess he'd made. * * * Jen rejoined her sisters wearing a big smile on her face. "Why are you so happy?" Kelly asked. Jen's smile widened. "I made him do it again." "Do what?" "You know... Make his 'pee pee' shoot that stuff." "You did what?" Kate exclaimed. "How?" "Well," she began. "I went in to check on him and while I was inspecting him I noticed his 'pee pee' started to get stiff. Those panties don't hide very much," she added with a laugh. "Anyway I got curious. I wanted to see it so I made him take down the panties and show me." "You made him?" Kate asked. "Uh huh. He didn't want to at first. I had to threaten him." She smiled. "He's a bit afraid of the two of you so when I mentioned calling for you he turned into Mr. Obedient and down came those panties." "Then what?" Kelly prompted. "Well his little 'pee pee' was sticking straight out. I just couldn't resist and touched it. At first he didn't want me to but then he started liking it." She grinned. "Boy did he like it! Stuff came shooting out like there was no tomorrow." "Jen...," Kate began. Somehow this wasn't right. "You're his sister...." "So what," Jen retorted. "You spanked him with the same result." Kate nodded. "You're right. I did. We probably should be more careful. I've noticed that since we put him in panties, he keeps getting hardons. I'm sure that the bra isn't helping any." "No it's definitely not," Jen added with a smile. The rest of the day was uneventful. Tom put the laundry away and stayed inside watching TV. The girls were in and out. He tried to avoid them whenever possible. The girls still made a point of checking his outfit. They weren't satisfied with a quick look. He had to stand and pirouette for them. They made a mental note that his penis had fully recovered. When the six o'clock news came on Tom remembered their mother would be home shortly. He needed to cover up. "Kate... Kelly... Jen," he called out. "Where are you?" When there was no response he went to the back door. The girls were all out by the pool. "Kate," he called through the screen. "Mom's going to be home soon." The girls turned their heads. "So," Kate replied. "My clothes... I've got to change." Kate smiled at the urgency in his voice. He didn't want to be caught in just a bra and panties. She glanced down at her watch. Yep. Their mom would be home shortly. She got up and sauntered toward the house. Kelly and Jen were right behind her. "Please," Tom began. "Mom can't see me like this!" "Hmmmm... Remember what I told you earlier?" "A... About what?" "About behaving. If you didn't behave mom would definitely get to see you like this. Remember?" "Yes." Tom nodded. "So... Is all the laundry done?" "Yes Kate." "And put away?" She frowned before continuing. "Neatly? I don't want to find my bras and panties mixed up." Tom nodded. Thankfully he'd spent some extra time folding the girls' underwear and lining things up in the drawers. Bras on one side. Panties on the other. All neatly folded like they'd taught him yesterday. "Please Kate." Their mom could be home any minute now. "Let me take the bra off and put some clothes on." His penis twitched as he waited for her response. He didn't like having to ask permission, but he liked the idea of his mother seeing him in a bra and panties even less. Tom gulped at the sound of the garage door opening. His penis twitched involuntarily. "Please Kate! Mom's home! Let me go change!" Kate's smile grew. Her poor little brother was frantic. He'd remember this moment. "Ok," she said. "Panties stay on though. I'll be checking." Tom turned and ran for the stairs, taking them two at a time. He was desperate to be changed before their mom found him. In his room he tugged the bra straps from his shoulders and pushed the bra down to his waist where he could get to the hooks in back. He caught a glance in the mirror, noting the marks on his chest and shoulders. He grabbed a t-shirt and found his shorts, pulling them up just as his mother came up the stairs. Whew! "Hi Tom. Did you have a nice day?" His mother's head appeared in the doorway. "Uh huh," he answered, a little breathlessly but managed a smile. "It was ok." "Ok. I think we'll do takeout tonight. Is pizza all right with you?" "Sure." He nodded. Then, out of the corner of his eye, he noticed Kelly's bra on the bed where he had thrown i