Dead Mount Death Play

The fate of the world is decided when the Corpse God, a demonic necromancer who has amassed immeasurable power, and a legendary holy knight clash. But, at the last moment, the monster employs a mysterious arcane magic that envelops the hero in a strange light. Across space and time, a boy named Polka Shinoyama wakes up, not feeling quite himself… Who could have expected the outcome of the confrontation to unfold in this way?