Through a strange turn of events, Yamada-san (Konatsu Kashiwagi) and I became "Onatomo" — friends who masturbate together. One day, the girl I admire, Fujisaki-san (Miyu Aizawa), found out about it, and to my surprise, she decided to join the Onatomo circle! However, after experiencing "mutual insertion masturbation" inside Fujisaki-san's pussy, our relationship became awkward... Collaborating with a popular doujin work! Check out the original doujin works here: "Onatomo: The Story of How My Room Became the Class Girls' Masturbation Room 2" "Onatomo: The Story of How My Room Became the Class Girls' Masturbation Room 3"