I Killed So Many Slimes I Became Known As The Black Steel King

I Killed So Many Slimes I Became Known As The Black Steel King is a Manga/Manhwa/Manhua in (English/Raw) language, Manga 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

One day, a large hole suddenly appeared in the yard. There was a mysterious slime with a metallic body that was trembling and shaking. For some reason, Yuuma Mitaka, a dull high school student, spends his days exterminating the “metallic slime” that springs up in the hole every morning. As he repeats this daily routine, Yuma’s body undergoes an astonishing evolution! This is an unprecedented and unparalleled fantasy beginning from ordinary daily life!