My wife's friend's nipple training made me unable to resist... I ejaculated inside her at the massage parlor. (Mimasaka Ayanagi JUY-564)

Michio, at the request of his wife's friend Ayana Misaka, had his nipples played with until he ejaculated at a massage parlor. He was filled with shame and resentment, but she casually visited his home as if nothing had happened… Already possessed by a sadist, she continued to lick his nipples, taking pleasure in his sensitive reactions. Unable to forget the experience of having his nipples played with, Michio returned to the massage parlor where she worked…