1. Claims he saw faeries in the park

2. Freaks out for some reason during a full moon

3. Has a fascination with your neck

4. Calls you his "pet"

5. You could swear you saw him hiding feathers under his jacket

6. His drinks have been dark and pretty thick lately

7. Always seems to know what you are thinking

8. You find something that looks suspiciously like a spellbook in his room

9. He asks you to stay with him forever

10. He turns you into what he is

Claims he saw faeries in the park: Key
Freaks out for some reason during a full moon: Onew -- this would explain why he's always hungry.
Has a fascination with my neck: Key -- *gulp* that picture of him isn't helping...
Calls me his "pet": Minho
I could swear I saw him hiding feathers under his jacket: Onew (werewolf angel? interesting.)
His drinks have been dark and pretty thick lately: Minho [rapper line vampires, chyeah!]
Always seems to know what I'm thinking: Key -- okay so this is reaaaaally dangerous for me.
I find something suspiciously like a spellbook in his room: Jonghyun -- orly now.
Asks me to stay with him forever: Jonghyun -- .........okay.
Turns me into what he is: Key -- heh heh heh. *caresses canines with tongue*

So as usual, Minnie is the normal one here.