Troll Trap 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

Have you ever noticed that someone you knew is no longer themselves? The subtle changes they show that indicate that they are no longer…human? Join hunter Ha-Te and his part-time partner Ji-Hyun Ah on their adventure of hunting trolls to save humanity!