Yakuto and his friends were sent outside of Dead Rock to eliminate a gang of thieves, but what was to be a common mission turned out to be a trap set by Brain, the deputy principal. He has a titaniumic force, and to defeat him, Yakuto sees only one solution! He uses the power of the curse to seal in him the legendary white dragon held prisoner. Only, will he succeed in fighting while maintaining his reason? dare you push the doors of this evil and bloody magic school imagined by the author of Fairy Tail and Edens Zero?