Synopsis

The end of all worlds approach.
The Demon King Order harvests lives from all manners of living beings.
Within this darkness full of despair, a single person bypassed Space-time and returned to before the world collapsed, determined to change the fate of the past.
But as time went by, he gradually found that the Apocalypse isn’t quite as simple as he thought…
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Translator: La0o9
Link to the WAO glossary page for possible confusing terminologies, a short character list and overall minor spoilers (I recommend not to check the page out until you reach the latest chapter):
https://otakutl.blogspot.com/2020/02/wao-glossary.html