The 29-year-old protagonist Oonuki Hajime (played by Ryuhei Maruyama) used to be a thief and is now a welder. His happy life with his lover came to an end after he accidentally met his former thief accomplice Norio. He was threatened to sneak into the mansion of a picture book writer to steal. In the process, Oonuki was mistaken by the people he met in the house as the "owner of the mansion", "picture book writer" and "editor". In order to avoid being discovered, Oonuki used all his acting skills to play various roles...