Good works at the "Octetto" firm, and makes a living by accepting client commissions and earning remuneration. Because he and his silly and sweet little brother Sura always mess up the tasks, they are complained as "performance killers". He always encounters various weird tasks and employers-such as the disrespectful old man looking for cats! There are even alien civilizations disguised as training classes! Good also has a group of bad friends who are unhelpful-a doctor who is good at all kinds of useless inventions, and a shameless money-borrowing demon, Connotation Brother. Although their daily life is bizarre, they have indeed helped many people in trouble. Their daily life is still going on, and one by one, seemingly nonsensical but actually warm and healing stories are continuing to unfold. At the same time, the claws of the dark organization in the past gradually extended to Good and his companions, and Good's mysterious past was also being revealed step by step...