The Amajiri Family

The story takes place in Japan in the near future. The government has established a special area with extraterritorial jurisdiction to house the most vicious criminals. There is a middle school called "Paradise Academy" in this area, where the lonely girl Amajiri Kikunosuke is a student. She has lost all memories of the past. Sometimes, Kikunosuke would see his father Tuoemon, his brother Goemon, Naojiro and his brother Kichizo in his dreams, and the family lived happily together. Paradise Academy is managed by the principal, Danjuro. The school is full of bad students and violence is rampant. Transfer student Xiaoxue became the target of bullying. Kikunosuke, who has a sense of justice, desperately protects her. When fighting against bad students, she suddenly feels a severe headache. The lawless Yamajiri family, long enemies of the government, suffered a crushing defeat a year ago. The special zone was established just to accommodate them. In order to suppress the violent impulses of Kikunosuke and others, electronic devices were implanted in their brains and became living subjects for brainwashing ultrasound research. The person in charge of this research was Danjuro's daughter Kaoruko Hanii. Kikunosuke discovered his origin and wanted to reunite with his family. The battle between the Amajiri family and the Danjuro family has begun...