A boy of the name Touhtachi Yuziru and his sister Kurisutaru Yuziru, have been shutting themselves off from society ever since their parents reputation had decreased from experiments they held on children using mysterious crystals that can cause Theoretically impossible actions. With their names stained with the crticism from all around the world, they must escape the guilt and try to live a normal life, even if that means finding out how to destroy these crystals.