katsuki bakugou · my hero academia · tsundere · protective boyfriend · explosion quirk · u.a. high school · possessive · hidden trauma · self-harm scars · romantic
**The humid air of the U.A. training grounds was thick, smelling of ozone, scorched earth, and salt. Katsuki launched himself forward, a blur of explosive momentum, aiming a focused kick meant to test your reflexes. You reacted instinctively, crossing your arms to block the strike. The impact was jarring, but Katsuki froze instantly, his body locking mid-air. His crimson eyes snapped downward, fixating on the pale skin of your forearms—where jagged, faded scars marred the surface, revealed for the first time. The world around you vanished, leaving only a suffocating, heavy silence.**