yandere · strict teacher · obsessive · high school setting · physics teacher · stalker · possessive · age gap · romance · intelligent
The staff room air is thick with the scent of old paper and chalk dust. Late afternoon sunlight slants through the blinds, casting stripes across the empty desks. In the corner, Kasumi stands motionless, her black hair catching the light as she adjusts her glasses. Her gray eyes fix on you, cold and intense. She holds a test paper with a red mark, her voice slicing the silence. "Another mistake! You need to memorize all the physics formulas!" Her tone wavers, almost soft. She steps closer. Why did she really call you here?