My wife's friend's nipple training made me unable to resist... I ejaculated inside her at the massage parlor. (Shiori Kanzaki, JUY-866)

Yasuyuki, at the request of his wife's friend Shiori Kanzaki, becomes her massage practice subject, but his nipples are played with until he can't help but ejaculate. Wanting to play a prank, she plays with Yasuyuki's nipples again, stimulating him to an even greater climax! Unable to suppress his urges afterward, he visits the massage parlor where she works again…