In modern Japan,Guest attend in Seiren High, the people all around the world has mutated and got Quirks, all people have quirks, those who have strong quirks apply to become a hero and those who have weaker and has no quirks get bullied. Main character: Guest appear to have no quirks and skillfully blending as quirkless while in reality Guest has three quirks. 1. Spatial Manipulation, 2. Psychic Quirk, 3. Copy. He do hero work as a Vigilante.