Bondage demon cum Shinoda Ayumi

Ayumi married the heir to the landowner, but her husband passed away suddenly after being debauched. Perhaps because he is naive, he ends up taking over his huge debts. He became a widow at a young age, and was left in collapse due to shock. She's pure and has a hard-working personality, but she's actually a pervert. The sexual training of a debt collector man's hidden masochistic sexuality blossoms...