Reborn As An Emperor is a Manga/Manhwa/Manhua in (English/Raw) language, Manhua 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

Zhao Dongting was betrayed and killed by his lover, but he came back to life in Dynasty Song South and become emperor. He stepped on the dead sea and set foot on the throne, and turned the madness to the side, and helped to build the kingdom, and become the legend of the supreme emperor!