5 male students enrolls at a school that has all female students. The boarding school was formerly an all-girls high school until the new school year. The student council then places the 5 male students in a place known as the prison on charges that they were peeping on the girls in the showers. The 5 male students struggle to escape from the prison. ~~ Based on the manga series with the same name by Hiramoto Akira.
There was a time when the Hachimitsu Private Academy was a revered and elite all-girls' boarding school on the outskirts of Tokyo but a recent policy revision is allowing boys into the student body. On his first day, Kiyoshi Fujino discovers that he's one of only five boys enrolled at the school. Completely overwhelmed by the thousands of girls on campus, the few boys find that their situation is less than ideal.
Three female government spies, Yuuki Miyagawa, Reiko Kareyl Yukino and Kana Morishita, are on a mission to find some evidence of illegal medicine manufacturing at a medical company. But someone has tipped off the researchers of the company. They are captured and used as guinea pigs by researchers for their new medicine, undergoing experimental surgery that nearly destroys them. Will they be able to escape from the company alive?