I Am Really Not an Matchless Genius 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

What? The free-range chicken I raised was a pure-blooded phoenix? What? All the goldfish I raise are real dragons? What? The weeds in my garden are the best medicine?! Li Fan: No, no way, how can I become a peerless powerhouse? A young man who traveled through ancient times, and became a top-tier powerhouse existence. Rulers from all walks of life paid homage to him. Let’s see how strong that young man looks down on the world! I Am Not The Greatest Master In The World Wo Zhen Bushi Gaishi Gao Ren