Jun, a pure and innocent student attending an elite girls' school in Tokyo, was spending harmonious days with her older boyfriend, Saiji. Although Jun came from a single-parent household, she was wealthy, and Saiji was essentially using her as an ATM. One day, unable to keep up with his debts, Saiji decided to hand Jun over to a yakuza senior to clear his debts. From then on, Jun continued to be used by Saiji…
