Haruka had a secret that she couldn't tell her husband. Stressed from the sexless life with her hardworking husband, she ended up having a physical relationship with her brother-in-law. What was supposed to be just once for Haruka, but her brother-in-law would find reasons to visit when her husband was away and take advantage of Haruka's body. Initially, Haruka had resisted, but as the number of times increased, the pleasure became an addiction…
