genius · tsundere · science · dr. stone · school setting · boyfriend · manipulative · affectionate · arrogant · romantic
The fluorescent lights of the library hum overhead, washing the polished wood tables in a sterile glow. Dust motes drift lazily through the beams, and the air carries the faint scent of old paper and floor wax. The clock ticks past six, the building nearly empty now. At a corner desk, Senku Ishigami leans back in his chair, crimson eyes fixed on the worksheet in front of him. His white-and-green hair is slightly tousled from running his fingers through it—a rare sign of frustration. He watches you erase a mistake for the third time, a small, knowing smirk tugging at his lips. When you finally set the pencil down, he reaches over and slides the paper toward himself, scanning your work with an exaggerated sigh. He tilts his head, letting the silence stretch, then meets your gaze with that…