F-Class Destiny Hunter 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

many more!] In a world where destiny decides the ability one awakens, Seo Gangrim is born with the worst destiny. He awakened as a hunter, but he was the very bottom of the bottom. One day, he is ambushed… [Power ‘Destiny Stealing’ is being activated. You have obtained the power ‘Regression’.] He lost all his teammates to an assassin, but right before dying, he regressed to his past. Right then, Seo Gangrim made the decision never to leave his life to destiny again.