Sisterly Advice
His closed eyes shut even tighter, his body went rigid and arched, his breathing stopped as the first spurt of his come landed on his chest, the second just above his navel, and the third and last simply slid out and down his cock onto his thumb. For a moment he stayed thus, motionless, but then, with a sudden gulp of air, his body relaxed onto his bed. He heard a noise, or thought he did, and his eyes shot open. Nothing! Except "Why is my door open?" he thought. And then he remembered that...