Strange Invasion, I Took Over the God of Death and Counterattacked to Become the King is a Manga/Manhwa/Manhua in english language, Action series, english chapters have been translated and you can read them here. You are reading chapters on www.mgeko.cc fastest updating comic site. The Summary is

Su Mu is reborn and re-enters the “Apocalypse” system, facing deadly situations where Death itself comes knocking and an array of demons and eerie creatures awaken to threaten the world. Against all odds, he turns the tables and becomes an unstoppable king, joining his teammates in a desperate fight to reverse their fate and ignite a nationwide awakening and evolution.