I shouldn't have let my wife go to that class reunion... I had heard about the number of men she'd dated and the number of sexual partners she'd had before marrying me, but I had no idea she'd been with such a perverted bastard... At the class reunion, Ichika's ex-boyfriend Uchida remembers their time together, gets her drunk and pesters her with strong alcohol, telling her to continue their lewd acts from the past, and forcibly fucks her. Ichika, who is troubled by her sex life with her husband, begins to remember her past sex life with her perverted ex-boyfriend...