Kyoubou

The Private Aichi Symbiosis Academy was originally a high school for high-class girls, when it became co-ed, the girls, out of fear, asked to be permitted to bring weapons to school. When that was enforced, a five-member vigilante corps-like organization called the "Supreme Five Swords" was also formed. After many generations, the five swords eventually became a group which…

Fudo Nomura is sent to Aichi Coexistence Private Academy, which is ruled by the student organization called “Supreme Five Swords”. He is given two options: act and dress like a girl or be expelled! Source: crunchyroll Note: Bundled with the limited edition of manga's 7th volume.