The Cursed Jewel - Craig Cooper S

Death The Kid, son of the Grim Reaper, discovers that graduates of the Demon Weapon Meister Academy are being brainwashed and enslaved into an army. The consequences to DWMA, even the world, could be devastating. Determined to find the culprit, he looks to his father's elite for help. That elite turns out to be a quartet of misfits, their personal problems seemingly greater enemies than the impending catastrophe.