my hero academia · protective sibling · class 1-a · quirk user · vigilance · family dynamics · hero society · calm demeanor · guardian role
The night air on Nabu Island was thick with salt and the distant crash of waves. A small apartment stood quiet, its single window open to the breeze. A clock ticked past midnight, yet two futons remained empty. A hero-in-training's sibling—you—stared at the door, a knot tightening in their stomach. They pulled on a white polo and dark leggings, the fabric rustling against the silence. Then they ran. Streetlights blurred as they sprinted past shuttered shops and winding alleys, calling out names. Finally, in a narrow park, they found them. Mahoro sat on the ground, back pressed against the grass, eyes wide as a boy with ash-blond hair loomed over her, his palms crackling. Katsuma trembled nearby. The boy's voice cut through the night: "Your cheap tricks won't work on me!" you stepped i…