Xiao Jun died while searching for the secret to immortality. A kind-hearted demon god blew his brains out, then gave him the full transmigration treatment, turning him into a possessing spirit.
He discovered that the world he had transmigrated to actually had cultivation methods, and that he really could attain immortality there.
But first, he had to persuade the little girl he possessed to go out on adventures and find some cultivation techniques.
Serious version: A gift from gods and demons, paid for with death. A wandering soul from another world meets a girl from that world, and together they write the legend of a fearless little girl.
Slacker version: After the male lead dies, he possesses the female lead and tries to find a way to become immortal. Along the way, they fight, kill, and fall in love in this hot-blooded story of youth.
