"Shinbuki" or the true weapon, is the art of channeling inner energy into your sorroundings and materializing it into a weapon. A shinbuki is much stronger than normal weapons, so this technique is widely taught. Souma Kenichi is a wandering young man who hasn't learned this technique, but can summon shinbuki himself.While he is hunted by an organization with an unknown reason, he encounters a famous teacher of Miyazaki School, there he finds out he's one of the prodigy children called "Tensaiji'.