Aya, a female college student, is a yuri anime otaku and has quite a bit of communism. However, he secretly has feelings for Himari, a slender, beautiful and popular student at the same university who is slutty and slutty. Aya happens to have a chance to speak at school and is excited. Originally bisexual and sexually uninhibited, Himari initially played with Aya, a pure and timid but obedient girl, as a toy.