麻妃と結婚して数十年、愛する妻を日に日に抱く元気が湧かなくなり中途半端な夫婦の営みしかできなくなる自分に焦りを感じていました。そんなある時、取引先の常務・小沢さんから良いところがあると連れて行かれたハプニングバーという未知の空間。そこで繰り広げられる「寝取らせ」の強烈な刺激を目の前で感じて性癖が目覚めてしまった私は、一度きりの約束で妻と共に再びこの店を訪れたのですが…。

Having been married to Maki for decades, I was growing increasingly frustrated with myself for losing the energy to embrace my beloved wife and for only being able to perform a half-hearted marital act. Then, one day, Mr. Ozawa, the managing director of one of our business partners, took me to a place he called a "happening bar," a completely unknown world to me. Witnessing the intense thrill of "cuckolding" that unfolded there, my sexual desires were awakened, and I visited the bar again with my wife, on the condition that it would be a one-time thing…