Kill the Dragon 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

“Survive no matter what.” Humanity was doomed for annihilation by the ‘Dragon’. To protect the world at the brink of doomsday, the war orpahn Lee Han awakens as a ‘Psyker’!