Our submissive friend and his girlfriend
Warning: Despite the realistic setting, some characters of this story may commit depraved acts such as breaking their friends' trust, cheating, not respecting safe words and (worst of all) handholding. Please understand that extreme sexual activies in real life require high degrees of maturity, trust, respect and consent. Brief explanation: The story is mostly linear, but is sometimes divided on parallel chapters and there might be some alternate courses of action. You should be able to read it...
BDSM