Ousai Academy is a former all-girls private high school which has recently been integrated for both genders. Takatoshi Tsuda is pushed into becoming the vice-president of the student council, where he is the lone male member surrounded by three beautiful girls.
| Actor | Role |
|---|---|
 Satomi AraiRanko Hata (voice), Aria Shichijou (voice) | Ranko Hata (voice), Aria Shichijou (voice) |
 Shintaro AsanumaTsuda Takatoshi (voice) | Tsuda Takatoshi (voice) |
 Yoko HikasaShino Amakusa (voice) | Shino Amakusa (voice) |
 Sayuri YahagiSuzu Hagimura (voice) | Suzu Hagimura (voice) |