Because Tetsuo has to pay off his debts, he hands over his cousins, Yukiya Ayase to a Yakuza group. Yukiya is auctioned, and sold to Kita Kano who owns a finance business. To retrieve freedom, he and his cousin must pay 2 millions including the auction fee and their debt. But Yukiya, of course, doesn't have such money. So, Karino gives his suggestion instead..