Hey, Are You a Demon Spirit? the Underworld Seduced the Wrong Person.

Covered in the Guise of a Horror Novel, It Is Actually a Funny Novel

I don't remember the names of the male and female protagonists, but the cannon fodder is Jia Youyou. The man seems to be called conscientious. There is a cute supporting actress and so on. I have experienced many maps. The cat-faced old lady, the saw murderer, the old corpse of the mountain village, Sadako, Silent Hill and so on.