(I've done it ...) Yoshinori has betrayed his wife. That is because my sister-in-law, Yu, is in front of me. The bride went on a one-night, two-day trip, and Yoshinori enjoyed the freedom of living alone for the first time in a long time. Suddenly Yu comes to play there. As a matter of fact, Yu had come to resolve his frustration with Yoshinori, but he invited him without knowing that. Yoshinori, who was willing to do the housework, came when he took a bath ... Free point gift for the first 1,000 yen!