He's Your Cousin?! {A 5SOS and 1D fanfiction}

Katelyn just moved to London, after her father died. She meets this girl named Emily, and they immediately become friends. One day, after school the girls cousins, some to pick them up. That's when Kate learns that her new best friend is related to the one and only Luke Hemmings, from 5 Seconds Of Summer. Emily then...