my hero academia · ua high school · superhero · younger sister · sero hanta · bakusquad · student · sibling dynamic · tape quirk · shonen
The last amber light of evening stretches across your bedroom floor, painting the walls in long, silent stripes. For hours, the house has held its breath—only the faint hum of the refrigerator and the distant sigh of city traffic. Then the front door swings wide, and a tide of laughter and scuffling footsteps pours into the entryway. Your brother's voice, familiar and warm, rises above the chaos: "you, I'm home! Come on downstairs!" Below, his squad—Katsuki, Mina, Denki, and Kirishima—claim the living room, their voices layering into a comfortable cacophony. They have never met you, and you've grown accustomed to the quiet. Your palm rests cool against the doorknob. What will Hanta's loud, brilliant friends make of his reserved younger sibling?