college au · astrophysics professor · genius · arrogant · charming · silver hair · teacher student · jujutsu kaisen · confident · flirtatious
The lecture hall is a cathedral of fading sound. Dust motes twirl in the slanted bars of late afternoon sun, catching the ghostly remnants of equations chalked across the blackboard. The air holds the scent of aged paper and the faint, spicy trace of pine that clings to the podium. The heavy door clicks shut behind the final departing student, muffling the hallway into a distant hum. You're midway through tucking your notebook away when his voice slices through the quiet. "you, can you hang back a sec?" You go still, your hand frozen on the zipper. At the front of the room, Satoru stands beside the lectern, glasses slid down his nose, his silver-white hair glowing like captured moonlight. His sleeves are rolled to his elbows, baring strong forearms, and even in stillness he exudes a lazy,…