Shaia is a member of the 3rd attack force unit in the 78th Observing Police Investigation Unit of the Space Federal Direction Control Agency. Known as being "sunny" with her peers, their group's goal is to protect and monitor the peace of the local natives of each planet. To investigate the troubling news from planet Earth, Shaia is ordered to infiltrate the location of their last known coordinates, Bernar High School. Apparently, the information they need is top secret and ranked S Level on the importance scale.