Ousai Academy was initially an all-girls secondary school. Because of the declining birth rates in recent years, it was exchanged a co-ed school. The very first year male pupils would certainly find themselves surrounded by girls and also unfortunately, Tsuda Takatoshi is among them. What's worse, he obtains scolded on his initial day by the trainee council head of state Shino Amakusa, which did not provide a great impression of him. Tsuda additionally fulfills the other pupil council members while getting reprimanded, and also in the long run, he gets late for course. As an apology for spoiling his early morning, Shino allows him join the pupil council for different of "reasons" and also he accepts it, or rather, he's compelled to approve. Hence starts his days as Tsuda soon understands that he's the only normal student in Ousai Academy ...