VENU-803 1 night and 2 days Yuu Kawakami was left overtaken by his wife's older sister who suddenly came in

(I did it...) Yoshinori betrayed his wife. - That's because of my sister-in-law, Yuu, who is right in front of me. - His wife went on a one-night, two-day trip, and Yoshinori was enjoying the freedom of living alone for the first time in a while. - Suddenly, Yuu comes to visit. - In reality, Yu had come to Yoshinori to relieve his frustration... but Yoshinori had no way of knowing that and invited him in. - Yoshinori forgives Yuu for doing the housework, but when he takes a bath, Yuu comes over too...