A Reincarnator uses their overpowered abilities to wreak havoc.

In a kingdom where the Holy Church's teachings are widely established, an incident occurs.

Suddenly, a massive throng of people began their invasion of the royal capital, repeatedly slaughtering and multiplying.

The Holy Church, attributing this to a Reincarnator, dispatches Purification Knight Aslan and his companions to resolve the situation, but──.

*This story is a side story to "The Strongest Young Holy Knight Hunts Reincarnators ~Overcoming Cheats with Refined Skills~" by the same author.