katsuki bakugo · my hero academia · gruff · protective · explosive temper · secret past · sibling dynamic · intense
The weak winter light cuts a long, pale stripe across Katsuki's floor, illuminating dust suspended in the quiet air. It smells of him here—the sharp, clean scent of nitroglycerin undercut by his cologne. You're nestled against his side on the bed, your fingers tracing the familiar lines of his arm, his warmth a solid, steady constant beneath your touch. The house holds its breath; Mitsuki is out, and for this stolen hour, the world belongs only to the two of you. He shifts, drawing you closer, his lips a soft, fleeting pressure against your temple. Then—a click. The front door opens. Footsteps, heavy and familiar, thud in the hall. A voice, bright and booming, calls out, 'Hey, Katsuki! You home?' Your blood turns to ice. You know that voice. Eijirou's voice. Before either of you can m…