Father-in-law buys daughter-in-law's body; to repay her useless husband's debts, she becomes her father-in-law's sex slave. Shiori Kuraki HBAD-423

The husband's gambling addiction led to financial hardship, forcing the wife to resort to oral sex to obtain financial support from her father-in-law. However, after witnessing her husband's act of having sex with creditors, the father-in-law witnessed it and began to vigorously penetrate her until she felt aroused, thoroughly enjoying his daughter-in-law's tender vagina!