Nana Jeong, a new tenant in My Home Flat located in Sillim-dong. Her grandmother is a skilled shaman, but Nana doesn’t have the ability to see ghosts and she hates superstition. Because she likes good-looking guys so much, she goes out with a lot of weird guys. She comes to her senses, decides to begin her new life and gets a room in a flat. Then, she falls for Cheolsu, a good-looking resident next door. She gets very affectionate towards Cheolsu, and he says something shocking. —Actually, I’m a vampire?’” Jesus, am I supposed to believe that?!

Sillim-dong Vampire / Sillim Vampire / ??? ????
https://treemanga.com/manga/vampire-next-door/