Three new students joined the Yuri Literature Research Club this year. The club president, Hirai, fell in love at first sight with Rui, the only girl in the club. Meanwhile, Rui also began to ask out the other male club members. That's right, Rui was a club crasher. Furthermore, as Hirai groped Rui as she slept in his bed after the social gathering, he discovered a shocking truth. Rui had a penis between her legs...