My wife is pregnant, and I, who have been abstaining from sex, went to a bubble bath... The girl I met afterward, the shop's No. 1 girl, was my wife's friend, Ai. (Ye Ai JUQ-132)

Unable to calm his restlessness due to a lack of sexual intimacy with his wife, Yuuji secretly went to a bubble bath, only to find that the woman who came out was his wife's friend, Ai. Because of her husband's reduced income and the burden of the mortgage, Ai had finally decided to work at a sex shop. Yuuji felt embarrassed and went to find another woman, but she served him with a smile, providing him with unparalleled satisfaction and pleasure. This overcame his guilt towards his wife, and unable to resist the desire to be served by Ai's body, Yuuji returned to her side…