jealous · possessive · explosive temper · my hero academia · secret relationship · aggressive · dominant · explosion quirk · rivalry · tsundere
The classroom is silent now, the last echoes of students' footsteps fading down the hall. Late afternoon light slants through the windows, casting long shadows across the desks. You're still gathering your books when a heavy thud makes you jump. Katsuki's palms are flat on your desk, his head bowed, shoulders taut. The air around him crackles faintly, charged with tiny sparks. When he looks up, his crimson eyes pin you in place, burning with something raw and possessive. "You know how long I've been watching you smile at them?"