After the events of the TV series, the 18 year old Yoko Godai has abandoned her special agent Saki Asamiya name to return to her normal life, and is now studying for college entrance exams. However, she accidentally bumps into a young man named Kazuo Hagiwara trying to escape from a group of hitmen, and learns that he comes from Sanko Academy, a private school located in a remote island known as Hell's Castle. The school is ruled by a former revolutionary thought to be dead named Hattori who is trying to brainwash students into terrorists to help him stage a fascist coup d'etat in Japan.
as Saki Asamiya
as Yukino Yajima
as Kyôko Nakamura
as Yui Kazama
as Megumi Katô
as Kazuo Hagiwara
as Kikuo Katô
as Yuka Kazama
as Yuma Kazama
as Taiko Hirata
as Yuri Shirai
as Jo Uehara
as Nishiwaki
as Dark Command
as Yo-yo seller
as Some person
as Hattori
