Zaikonshi

Purgatory. Purgatory is a legendary place halfway between heaven and hell, where all sinful souls end up wandering. People doubted its existence until that fateful day fifteen years ago... Judgment Day. That is what it is called. Countless cracks opening the gates of purgatory appeared simultaneously in all four corners of the Earth. Humanity was attacked from all sides by damned souls. All those possessed by them were transformed into monsters called “abominations,” whose sole purpose is to devour the souls of all human beings...

(Source: Reborn, translated)