Rebirth of the Emperor in the Reverse World 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

I was once the lord of the cultivators in the immortal realm. But I was reborn into a world where the women worked to earn a living, while the men sat around and looked pretty. Even worse, my body looked like a fat slob! I worked hard to get into shape, but I didn't do it for the benefit of you thirsty women!