If i only knew (Harry Styles fan fiction/ New version)

Emma Cooper's life has always been running smoothly. Having two best friends who she could always count on and believe. Well, she didn't know the secrets Elizabeth and Louis kept from their best friend. Both are vampires, but why would they keep it a secret from her?
Not only them, but mostly the whole city of Donacaster is full with those creatures the young girl doesn't expect to be real. Louis is determent to protect Emma from becoming one of them and is hiding another secret that has been keeping him close to the girl all his life. Unlike Louis Elizabeth isn't a good vampire, she wasn't really friends with the two she just got close so she could become a vampire like Louis, it was all her plan. But somehow Emma's kind heart made an actual friendship between to two and maybe she can get her away from what she might get herself into.

Emma has no idea what's going around her and goes to an excange program along with Elizabeth. Louis thought can't leave to follow them since his skin is more sensitive to sunlight, but is determent to get to his friend before it's too late. Em isn't totally lost and starts to figure out and notice the things around her, when a certain guy in the other school catches her eye. She stays away from Harry, but the more she steps away the closer she gets. Is she ready to get into that world and handle all the challenges without falling in love or getting betrayed?