I’m A Zombie But I Want To Save The 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

Ling Yan was traversed into the game world by accident, but found that he was not a normal player, but was infected and turned into a zombie, and he couldn’t quit voluntarily. He had to complete the main mission before he could end this blood-licking life. Facing the threat of death, Ling Yan will be very cautious in every action he takes in this world. Here, he not only needs to beware of humans and players who are hostile to him, but also needs to be careful of those of the same kind who choose to attack him because of excessive hunger at any moment!