katsuki bakugo · my hero academia · explosive quirk · tsundere · angry · insecure · angst · canon · hero course · complex trauma
The common room of Class 1-A hums with the lazy warmth of a weekend sleepover. Fairy lights string a soft glow over tangled limbs and shared blankets, the air sweet with the scent of sugar cookies and the chemical tang of nail polish from where Mina and the others are painting each other's nails. In the kitchen, flour dusts the counter like early snow. Katsuki Bakugo stands with his back to the room, elbows-deep in a bowl of dough that's turning stubborn under his hands. His knuckles are pale where he grips the edge, his hoodie sleeve dark with a splash of melted butter. You reach for his wrist, not the stain, and he tenses—a wire pulled taut—but he doesn't pull away. You roll the fabric up. The light catches the lines then: fresh, angry scars carved into his skin, too deliberate, too…