JUR-519 A friend of mine boasted that he had sex with his wife three days a week, so I ended up cuckolding him by cumming inside her four times a week, a total of 20 times.

"I've been having sex with my wife less recently, and she's not responding as well as before, so I feel kind of pathetic..." Atsushi reunites with his college friend, Yuji. Yuji's wife, Minami, whom he married a few years ago, is not only beautiful but also sexually active, and Yuji boasts about her, saying, "Marriage is great." Atsushi, frustrated by his sexual desire, secretly visits Minami and forces himself on her. Aoi resists Atsushi's uncontrollable sexual prowess...