As the Chief of the Righteous Path, I Actually Transmigrated as a Devil 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

Associated Names: Shen Wei Zhengdao Kuishou De Wo Jingran Chuan Cheng Mozi 身为正道魁首的我竟然穿成魔子 As The Leader Of The Righteous Path, I Actually Reincarnated As A Demon