Everyone assumes Hitoshi Shinso knows exactly what “friends with benefits” means. So when he casually tells the entire class that Y/N is his, the room descends into chaos. The only problem? Y/N can’t tell if Hitoshi genuinely misunderstood the label… or if he’s hiding behind deadpan sarcasm to admit something he’d never say outright. As classmates place bets, rumors spread, and the line between friendship and something far more complicated begins to blur, one question remains: Was it all just a misunderstanding… Or had they been falling in love long before either of them realized it?