The Hirose family has been protecting the area of Funabashi, Chiba since ancient times. The parents of the siblings, who are descendants of the Hirose family, passed away early, and the elder brother (Hayate) carefully raised the younger sister (Kodama Momoka), and they both devoted themselves to training together. Then one day, the evil organization "Corona" appears.Their bio-terrorist plan threatens the peace of Funabashi.This is where the Hirose siblings, heroes... see more