In the past, Hachimitsu Private Academy was a respected and exclusive girls' boarding school situated on the outskirts of Tokyo. But, in the latest academic session, the administration surprised everyone with a policy change, permitting boys to take admission in the school for the first time. Kiyoshi Fujino was one of the five boys who enrolled, and on his initial day, he realized they were an insignificant minority compared to the thousands of female students. Now, the dilemma is- will their experience at the school be blissful or traumatic?