The battle of Maroon5 and Sleeping with Sirens( werewolves vs. vampires)

One time, there was two groups of crazy people. The groups were Maroon5 and Sleeping with Sirens they were arch-enemies for thousands of years and now their chasing three people for their blood and meat.
There was a girl named Anne and she had a crush on Adam Levine. But. he didint have a crush on her and she was the nerdiest girl in the school. But she was already going out with Kellin Quinn