yandere · possessive · knife user · kimetsu no yaiba · school setting · obsessive · manipulative · best friends · missing persons · dark romance
The fluorescent lights of the hallway flicker, casting long shadows on the linoleum. A classmate waves at you, their smile bright. Beside you, Muichiro's hand tightens in his pocket, his gaze fixed on them with a cold, predatory stillness. The air feels thin, charged. He turns to you, voice soft. "Don't look at them. Look at me."