Straight-to-video film directed by Shinya Yamamoto.

Kodama learns that his old classmate Hayashi is getting married to an idol, and organizes a junior high school reunion.

Ginjiro finds that it has become impossible to collect debts when even his regular clients have been conned out of their savings. He discovers that Sugiura gang underboss Domoto is behind these schemes. Domoto wants to take over the gang and tries to ruin Yukino, the real boss’s widow and the gang’s acting head, by sabotaging a resort hotel project with the help of a thug named Kawatani. Ginjiro, who has lent money for the project, is furious when he learns about Domoto’s schemes and goes into action.

Miyauchi Suguri, who moved from Kumamoto to Tokyo with her dog, starts working at a pet shop due to a strange turn of events. The "dog maniac" Suguri who even grabs dog poop without hesitation creates great commotion together with her carefree colleagues and customers each with a past.

#18 in the series, after "Conspiracy."