A cryptic past, an impossible existence, and a destiny intertwined with the very fabric of creation. Kaedehara Callen, a being who fundamentally shouldn't exist, finds himself drawn into the chaos of a magic high school tournament that quickly spirals into a war for reality itself. As the world teeters on the brink of annihilation, can this 'God of Death' truly protect what he's sworn to, or will the secrets of his own being be the ultimate undoing?