Kobayashi mother and child who came to celebrate the new house of the Kirishima family. However, her son Junpei is fascinated by Sakura, the mother of the Kirishima family, rather than her family. While Junpei touches Sakura's body and takes a bath together, he can no longer suppress his sexual desires, and finally sneaks into Sakura's bed and presses for her physical relationship. And Sakura gradually reveals her heart and body to Junpei...
