niall horans twin sister mia was in a car accident with her mum and her younger sister lucy and they both died but mia survived the doctor's said it was a miracle. mia has to live with her brother and his band and also go on tour with them and 5sos but mia takes promises very seriously what happends when she has sex with 3 othee people who are close to niall what happens when niall breaks a promise and mias past comes back to hurt her and will are relationship blossom find out in you promised contains mature content xx