Ainaga and Yusuke were dating in the past. After getting married, they meet again by chance, and since their marital relationship has cooled off, they hit it off and have an affair. It was two people who repeated secret meetings so as not to find out, but reason is paralyzed by pleasure when answering the phone from her husband on purpose during sex. The immoral feeling of doing something wrong makes the two of them even more burning...!
