A skill that is useless on its own, <Restoration>. However, to save a childhood friend who tried to protect others at the cost of her own life, Thor spent twenty-five years cultivating this so-called useless skill. Finally, the completed skill possesses a power that can overturn the world's common sense. Thor and the girl, along with a mischievous child found in an alley and an elderly landlady, set out on an adventure to become heroes. A man who has lived at the bottom of society has now decided to move forward to see a new world.