My earnest father-in-law, who works for the municipal government, is excessively perverted… After experiencing sex like never before, I realized I'm a masochistic pervert. (Kana Imai HZGD-306)

A married woman begins living with her husband and her stern father-in-law. One day, however, she accidentally sees her father-in-law masturbating in his underwear… After discovering this, he gives her a sleeping pill… From then on, her days of despair begin… Although she doesn't want to endure her father-in-law's extremely perverse sexual acts, her masochistic nature begins to erupt… “It's all your fault, father-in-law… My vagina needs you to take the initiative…” “You're going to take the initiative…” What will this woman do?