I, The Demon Lord am being targeted by my female Disciples! 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

Bai Feng transmigrated into an ancient chinese style dating game and became the Demon Lord, Bai Qingling. The Bai Qingling in the game is cold-hearted and ruthless. In order to seek immortality, he cultivates the Path of Gu, makes human puppets, and does all kinds of evil. What’s even more hateful is that his three stunning female disciples he regards as pawns, are the villain bosses in the game’s “Pure Love” and “Evil Fall” routes! In such a desperate situation, let’s see how Bai Feng can turn the tables with the [Great Love System]!