A man working as an evil organization combatant, Aoi Masayoshi. He suffered from anxiety on his way back home from work. He wonders if he will be all right with the way things are going. In front of the station, a flyer was handed over to him by a girl on a wheelchair. To earn money, aside from being a combatant, he decided to act as a hero who protects the town and exterminate kaijins. In the city full of heroes and villains, sideline hero Aoi is fighting nowadays to earn daily income.