MONOMANIA [Yandere Serial Killers X M! reader]
𝗠𝗢𝗡𝗢𝗠𝗔𝗡𝗜𝗔: Exaggerated or obsessive enthusiasm for or preoccupation with one thing. Moving back into the town you wanted to escape isn't easy. Especially not for Y/n, on top of that, a group of serial killers have been terrorising the town for years, and Y/n decides to try to solve the case, but what happens...