Takayama and his friends are assigned to the Public Safety Force (PSF) under care of the Fourth Peacekeeper Squad Leader, Nana Iida. They observe as the PSF squad is deployed as a bomb is supposedly planted in the Yokohama Station. The four are assigned to keep guard and help at the Tokyo station, much to Sakurai's disappointment. The perpetrator notifies the defense force that actually the real target is the Tokyo station. They want ¥100 million in exchange for the disclosure of the bomb's location...