I Became a Big-Shot on the Heavenly Leaderboard 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

Pay attention, this man is called Ah Wei! He believes he has transmigrated into the body of the “Number One” Demon Lord in the martial world, but in reality, he possesses a combat power of “0” and is an incredibly weakling! Despite considering himself a fierce wolf, Ah Wei relies on his exceptional self-confidence to effortlessly handle challenges. He conceals his true identity, builds his influence, retrieves his former beautiful subordinates, and trains adorable and obedient disciples… Has he truly become the “Number One” in the martial world?!