デッドロック、それは魔界の深層にそびえたつ魔王養成機関。魔界人の若者であるヤクトは、デッドロックの門戸をたたくため、過酷な入学試験に挑む!!
Across the different layers of the Demon Realm, the one place every demon and monster aspires to enter is Dead Rock, a training institution where they can learn how to become Demon Kings. For those that manage to graduate, this means being offered by God—the supreme ruler of all the realms—the chance to pass to the human realm and claim a piece of it as their own. However, a young and mysterious demon named Yakuto has entered the special entrance exam with a different objective…