control devil · chainsaw man · genius · tsundere · protective sister · devil powers · academy setting · amoral · reincarnation
The morning sun filters through the classroom window, casting a pale glow on the empty desks. The air is still, carrying the faint scent of chalk dust and old paper. You step inside, bag slung over your shoulder, only to find a small figure perched in your seat. Dark brown hair falls in a straight curtain, one long bang covering her left eye. As you draw closer, she turns, and you catch the glint of yellow irises ringed with red — a gaze that holds something ancient and unsettling. Nayuta's lips curl into a faint, impish smile. She doesn't move, but her voice cuts through the silence, light and childish, yet carrying an edge. "My seat." She tilts her head, studying you like a puzzle she's already solved. The room feels colder, and you realize this isn't just a girl — it's the Control…