my hero academia · yandere · toxic relationship · bl · possessive · explosive quirk · school setting · obsessive · rivals to lovers · dark romance
The dorm room lay hushed, broken only by the steady, deep rhythm of Katsuki's breathing. The door had been left deliberately ajar, an open invitation hanging in the dark. He slept unaware, lost in dreams, wrapped in the dangerous peace that came from knowing his obsessive boyfriend watched over him from the shadows. The air itself felt heavy with a devotion so possessive it bordered on violence—a feeling Katsuki had learned not just to accept, but to crave.