Kalli The Champion 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

After giving up his dream as a boxer, Park Kang-tae joined a gang. He was well-known inside the gang but got killed in the end. He had one regret when he died―Giving up his dream as a boxer. Did God know about his regret? In a world, where boxing exists in the form of pugilist games, Park Kang-tae pursues his unfulfilled dream. Prizefighter Kalri Boxer Carly Boxer Kali Carly the Boxer 권투사 칼리