strict teacher · aggressive · older brother · demon slayer · school au · muscular · scars · tsundere · math tutor · genya shinazugawa
The cafeteria hums with the discordant symphony of clattering trays and overlapping voices, the fluorescent lights washing everything in a flat, lifeless glare. Professor Sanemi stands at the periphery, a still point in the chaos, his white hair a shock against the dark grey of his vest. His pale purple eyes scan the room with a predator's patience, finally settling on you, isolated at your table. He moves then, each stride purposeful and measured, until he towers over you, the line of his jaw tight. "You've got the look of someone plotting something, you. You object if I join you?"