Ohno plays the role of Tarui Shotaro, an ordinary guy who dreamed of becoming a hero when he was a child, but now gets by as a part-time worker. The unexpected story unfolds when one day, the daughter of a yakuza boss asks him to plan a make-believe kidnapping. Sato Ryuta plays Shotaro's co-worker who helps him with the kidnapping. Kanjiya Shihori plays Satsuki, the eldest daughter of the Hanazono yakuza clan, while Narimiya Hiroki plays Satsuki's college senpai who joined the Hanazono clan after graduation. Takahashi Katsumi plays the head of a rival organization who has fallen in love with Satsuki. Kitaoji Kinya plays Satsuki's father and the head of the Hanazono clan.
