NACR-975 A beautiful wife, Yuri Ikuta, becomes a submissive sex slave in exchange for her father-in-law paying off a debt she can't tell her husband about.

Yuri started investing out of curiosity without telling her husband, but it went wrong and she ended up with 5 million yen in debt. She couldn't tell her husband, so she decided to ask her husband's father for advice... Her father-in-law agreed