Backstory. In a world where most humans on the planet develop superpowers soon after they're born, a boy named Izuku Midoriya was one of the few who never developed any powers. As a child, Izuku dreamed to become a superhero like his idol, All Might, after he developed his power, or "Quirk". According to Deku's mother, the inherited quirk Deku should've naturally received would've either been his father's quirk, breathing fire, or her own ability to levitate small objects, since he was quirkless