The mighty dynasty is nearing its end, and the demonic realm that once ruled the world is entering its twilight. The once most powerful people stand on the brink of extinction, and an age of prosperity has become an age of ruin. Is royal power never eternal? No need to panic. Let me start over, and everything will work out. The journey of a reborn Demon Lord: crossing a thousand years to reclaim the world, rebuilding the demonic power he lost while experiencing a different kind of life. After reaching the summit once more, will he still want this world?