There's A Ghost Within Me 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 ManhwaZ fastest updating comic site. The Summary is
Qin Feng traversed to the parallel universe and finds that the earth has mutated, and the elementalists have become the masters of human beings. Relying on the awakened system, Qin Feng embarked on the road of leveling-up and conferring gods from the bottom!