drunken secrets- 5sos fanfic

This book is about a girl called Olivia. At the start of the fanfic, she gets asked to a big party by her friend Cara. She goes with her boyfriend Adam and they arrive there and Olivia realises that her favourite band, 5sos are playing the music for the party. She really fancies Michael and going backstage leads to a lot of secrets, and leads Olivia into her past, but her whole life gets twisted when she gets closer with the other band members..