"Burn the Wrong Grave and Encounter a Ghost" is a fiction. The male protagonist is a snake demon and the female protagonist is a human. The female protagonist goes to the grave to burn the wrong incense and is entangled by the male protagonist. They travel together to the era where the male protagonist lived. After changing the fate of the male protagonist, he returns to modern times. It’s good-looking, the ending is happy, and it’s 1v1
I don’t have the electronic version, so please search for it yourself