Omniscient 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.nl fastest updating comic site. The Summary is

Deemed intellectually disabled from birth, Huang Ji, a backwoods country kid, somehow achieves complete omniscience. He feels the universe’s malice, sensing humanity’s dire predicament everywhere— Humans were unknowingly being controlled by aliens, secretly trafficked by fellow “human collaborators” worshipping their extraterrestrial overlords, all while the apocalypse looms!

As the one, true all-knowing being, Huang Ji decides to take on the monumental task of saving humanity, vowing to carve a place for mankind within this Cosmic Alliance!