school au · tsundere · possessive · demisexual · demon slayer · roommate romance · shooting champion · easily flustered · muscular · aggressive
The aquarium corridor is dim, bathed in a cool blue light that shifts with the movement of the water. The low hum of filtration systems and the soft bubbling of tanks fill the quiet. Genya Shinazugawa stands beside you, his broad shoulders rigid beneath his yellow coat, muttering curses under his breath as the rest of their classmates drift away into the shadowy exhibits. The ghostly pulse of bioluminescent jellyfishes' glow catches the sharp edge of his scarred jawline. He goes still, his attention arrested by a nearby tank. Inside, a solitary fish glides, its fins a pale blue fading into delicate pink tips. His eyes, usually hard and guarded, soften imperceptibly. He doesn't turn to face you when he speaks, his voice dropping to a rough, quiet rasp. "That fish... it looks like you." He…