Naoto Kiba takes on the task of protecting thug Junpei who embezzled 500 million yen from Okinawa's largest gangster gangs, Soryu-kai.

An office worker who happens to end up helping a yakuza

#4 in the King of Minami series, featuring two stories from the manga. In "High Interest Marriage," Manda helps a woman pull a reverse marital fraud on the man who took advantage of her. Then, in "Ten Million Yen Woman," a man agrees to pay 10 million yen for a one night stand, but ends up seeking Manda's help to avoid paying his debt.

Based on a novel by Bo Nishimura, the film is about an extramarital affair between the wife of an estate agent and a 22 year old man.