Unable to confide in her husband about her debts, she borrowed money from her father in exchange for it; the beautiful wife, Ikuta Yuri, was treated like a subservient sex toy. (NACR-975)

Yuri, keeping it a secret from her husband, has incurred a debt of five million yen due to a failed investment she made on a whim. Unable to tell her husband, she decides to ask her husband's father for help… Her father-in-law agrees to cover the debt, and her joy is short-lived. However, his demands for Yuri's body in return are short-lived. Having her weakness exploited, Yuri becomes her father-in-law's obedient sex slave…