Tanaka Tetsuro is excited at getting a full scholarship at a new high school, far away from his family. What he does not know is that he will be the only boy in an all girl school, and that there is a girl head-over-heels in love with him, waiting for his arrival. But his special friendship with the very cute and dynamic Asuka also causes him to get into a lot of trouble with the powerful student council leadership, as they are at open war with Asuka and her five friends, a group of super amazon warriors called the Koi Koi Seven.
之后,又有表面善良内心却极为腹黑的女孩吉川千夏(大久保瑠美 配音)在误打误撞之中加入,就这样,这个山寨社团的四人小组成立了。 在这个没有正式申请的社团中,每天都发生着欢乐又爆笑的日常,可是没过多久,娱乐部的存在便被学生会发现了。作为副部长,杉浦绫乃(藤田咲 配音)怎能对此坐视不管?在娱乐部和学生会之间,一场轰轰烈烈的猫鼠大战开始了。