Our Little Detective. Slashers x reader Detective Man

Y/N He's a young detective.
He lives with his aunt Clore until his life is turned upside down and he goes on his first mission as an official detective
In the city of Maran
But no one tells him that he lives in a city of real killers.
Will he be able to get out or will he be like the rest of the investigators and the officers who preceded him?
Or that the killers have another plan in relation to him.
This is a city of killers, so there are lots and lots of killers in horror movies and even for horror games.