Emma and Ella, twins, have made each other a promise when they were little. "You die, I die" Years passed and the girls have met the boys from 5sos. But then something happens what none of them expected. Will the promise be broken, or will the promise remain? ~ This book shows how far sisterlove can go. Me and my bestest and closest friend wrote this book. We really hope you'll like it. ~ Ps. First few chapters can be a bit boring, but it will get better! ~ Started : 1 August 2016 Finished : -All Rights Reserved