♂ m

Student of Nanako. He lives with his grandfather after losing parents from young age. By digging up grandfather's memento, he finds out his grandfather used to be member of evil organization which was destroyed by a group of bishoujo named "Justice Pirates" long time ago. When watching the old recor... read more

Student of Nanako. He lives with his grandfather after losing parents from young age. By digging up grandfather's memento, he finds out his grandfather used to be member of evil organization which was destroyed by a group of bishoujo named "Justice Pirates" long time ago. When watching the old recorded footage of their battles, he falls in love with Sapphire who is member of "Justice Pirates". The thoughts is so strong that he decides to make Sapphire his own after knowing Sapphire is actually also his beloved teacher Nanako through an accident.

♀ f 30

Homeroom teacher in charge of Tsutomu's class. She is very popular among students because of her friendly and caring personality. However, behind the scenes, in the name of Sapphire, she used to fight against evil organization as member of a group of bishoujo named "Justice Pirates". After succeedin... read more

Homeroom teacher in charge of Tsutomu's class. She is very popular among students because of her friendly and caring personality. However, behind the scenes, in the name of Sapphire, she used to fight against evil organization as member of a group of bishoujo named "Justice Pirates". After succeeding in protecting peace, she returns to normal life and marries her beloved husband Katsuharu. Little did she know the legacy of evil would come back to make her life never be the same again.

♂ m

Coworker and husband of Nanako. He is also popular among students with his carefree and friendly attitude.