Zombie X Slasher is a Manga/Manhwa/Manhua in english language, Zombie 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

It's a common setup. A zombie epidemic has occurred. People created a safe zone in Busan, but with limited space and overflowing people, housing prices are skyrocketing. (Yet) it's an era where you can't even dream of buying your own house. The main character of this story also doesn't have a home. Just like you, the one who is reading this description. Kim Chul-soo - A day Labor (Main Character) Choi Ah-jeong - Slasher Company’s CEO Choi & Jang - Slasher Company - a company that holds a zombie killing competition