Noah’s Contract: I’m an NPC in Another World is a Manga/Manhwa/Manhua in english language, Manhua 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

Players, this is a continent overrun by monsters. Danger lurks everywhere, so please make full use of your talents and help us eliminate the monster army. What? You ask who I am? I’m just a NPC. 我在异世界当NPC