As soon as I get married, my husband will be assigned to work alone for three months. She spends peaceful days living with her sister and her husband, who are worried about her living alone, but ... frustration piles up and masturbates almost every day. One day, I learned that her brother-in-law, Tetsuya, was also spending time in agony without SEX ... Moreover, he has a magnificent decacchi ○ port that is rare, and he can not suppress the aching physical desire and secretly seduces him. And Tetsuya who had a relationship with her little devil temptation someday ...