The Invincible Man 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

Im Hwapyung. A man who wants to live a normal life like his name. Everything he had in his mundane life was destroyed. [Your love has become my loathing.] You shouldn’t have messed with me in the first place. You should have just let me live a quiet life. And now he has began his move that none of his nemesis will survive his wrath.