I think it's with my good friend Rinko. One day, when I was having a tea party as usual, the topic turned to sex life. Kana seems to be having fulfilling sex with a young boy she met on the app, and Rinko, who thought it was suspicious≪ also starts the app as she is swept away by ≫ if it is only once. Ryu, a student she met on the app, is Rinko who wakes up to the pleasure of dominating with obedience. And Ryu is also drowning in her mind and body in the bewitching and sex appeal of a married woman.