Tadaomy Ando became a yakuza boss at a young age. Because of his subordinate, he quit the yakuza. Now, he learns from Takashi Konaka the trade of illegal money lending and how to collect debts. Tadaomy Ando decides to become a loan shark. He has customers, but has a hard time collecting debts.
Tadaomy works as a loan shark. He hires Tukasa to work for him. One day, Tadaomy’s debtor, Okabayashi, asks to borrow two million yen more. Tadaomy trusts Okabayashi who has payed back sincerely, but Okabayashi suddenly disappears.
Tukasa works for Tadaomy’s loan shark company. He picks up more female debtors because of his appealing looks. One day, Erina appears in front of Tukasa. Erina used to be an idol and she now sings on the street.
