"I have sex with my wife three days a week." That's what my friend brags about. I have sex with her five days a week, four times a week, a total of 20 times, and I slept with her. (Momozono Rena JUR-807)

"Lately, I've suddenly been having sex with my wife less often, something that never happened before..." Yuta reunites with his college friend, Yuuji. Yuuji, who married a few years ago, boasts about his wife and invites him to his home. Faced with his friend's beautiful, well-built, and sexually voracious wife, Reina, Yuta harbors a scheme: to let Reina know that he's more of a sex fiend than her husband. Yuta secretly visits his friend's house, pushes Reina down, and engages in unspeakable sexual intercourse. Although Reina resists, she repeatedly reaches climax...