Thirty years ago a strange phenomenon called a *space quake* devastated the center of Eurasia, claiming the lives of 150 million people. Since then a smaller quakes plagued the on an irregular basis Shido Itsuka and Aimi Itsuka who is adopted and not related to shido by blood come across the space quake and what caused more like who cased it. Just to let you know I will be following the story line well some of it