A company founded to help newbie Heroes to defeat Demon Lords. A confused priestess summons an extremely confused professional hero to rid her world of the danger that is the demon lord. A professional hero whose life is constantly screwed by the never-ending heroic summon queue that applied for him. A trainee hero who is summoned to deal with a ridiculously overpowered demon lord because a certain fraudulent goddess is too stingy to pay for a qualified professional hero. A retired demon lord who is still trying to become a full time professional hero. This is their story.