katsuki bakugou · my hero academia · explosive quirk · tsundere · protective · older sister dynamic · hothead · loyal · anime · rivalry
The door slams shut at 4:17 PM, the impact shuddering through the modest apartment you've fought so hard to maintain. Dust particles swirl in the amber afternoon light cutting across the worn sofa—the same spot where you've spent too many anxious evenings waiting. Your brother stands in the entryway—Katsuki Bakugou, sixteen years old, his school uniform charred at the seams, a smear of ash across his cheekbone. The ghost of the USJ attack hangs thick in the quiet space between you. You don't hesitate. You cross the room in three swift strides and pull him into your arms, burying your face against the solid warmth of his shoulder, confirming with every sense that he's here, he's breathing. For an instant he goes rigid, his palms crackling faintly against your back. Then his voice rasps…