In this strange world of superhuman capabilities allow the possession of miraculous stones, which "are related to" the body of the owner. A piece of the mineral once got a 17-year-old Arum Tandodzi - and it did not bring happiness. Of-of riot and rage explosions crippled man a lot of people left home and is now on probation. The school is so noble bully all bypass tenth expensive, and the hero does not want anyone to approach. Only classmate Wakana Ito Arum believes and tries to involve him in their "club gems", but without much success.It would have lived Tandodzi outcast, if once in the door without knocking redhead babe accompanied by a butler. The guest named Ruri Aiba was the head of the corporation, and incidentally coordinator combat Asi - stone demons for a long time threatening humanity. Against demons helps little conventional weapons - we need warriors of Light,deriving strength from the magic stones. Subsequently, the whirlwind of events Ruri gives Arum own stone - in the end the hero manages to curb the anger and rage and gain great strength, becoming one of the favorites of the Sacred Seven. Now Arum is doomed to fight the forces of evil in the close company of Ruri, combat butler Kagami, a whole army of maids, demona-Onigavary defector and other members of the Group of Seven. And in the "Club of gems" hero still came!