World's Apocalypse Online 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

When the end of the world came, in the hopeless darkness, Gu Qingshan broke away from time and space, and returned to the world before it collapsed, determined to change his fate. But as time went on, he gradually realized that the apocalypse is not as simple as it seemed...