"We were supposed to have a happy married life..." Soon after her marriage, Ayami found herself in debt after a failed investment. Then, her husband, Yuki's father, decided to live with them for a while. One day, her father-in-law, who knew about her debt, made a proposal... "Would you show me your breasts for 10,000 yen?" At first, Ayami refused, but reluctantly agreed, realizing she had no other choice... Once she let her guard down, her father-in-law's proposals escalated...