Three new students have joined the Yuri Literature Study Group this year. At first sight, Chairman Hirai fell in love with "Rui," who became the only girl in the club as a freshman. On the other hand, "Rui" invites other male members as well. Yes, "Rui" was a so-called circle crusher. In addition, Hirai witnesses the fact of her shock as she wanders around the body of "Rui" who sleeps in her bed after her social gathering. There was a Ji-Po in the crotch of "Rui" ...