"Playing with nipples doesn't count as having an affair, right?" Despite having a girlfriend, he was still seduced by his neighbor's accidental exposure and nipple play, leading to a illicit NTR relationship with the married woman. (PPPE-261)

Kana, who lives with her husband, is unhappy because he's always busy with work and she can't get his company at night. Meanwhile, Nakano, who lives with his girlfriend, is a sexually active man who gets an erection at any time just from nipple stimulation. When the two meet, a passionate chemistry erupts between them!? This promiscuous wife has found the perfect lover, and despite her girlfriend being nearby, she shamelessly plays with his nipples and extracts his semen, becoming the wife of a sex monster…