Description

The Kagami Academy sent Uryuu Shingo and his sister Uryuu Sakuno as part of a planned merger with an all-girls school, Yuijo Academy. Shingo, Sakuno, his best friend Mukunashi Hayata, and more of his friends from the same school temporarily transfer to Yuijo until they officially consolidate. But on their first day at Yuijo, the principal's daughter, Sena Airi, announces that she will never agree to the merger. And the students are not hospitable to the male guests!

Shingo, Hayata, and the others have to work hard...