I hate you Sangster/// Thomas Sangster Fanfic

Our families have been best friends for as long as I can remember. The only problem is that I absolutely despise their son and I always will.
Hi, my names Katie. I'm a pretty average 18 year old who lives in America with long strawberry blond hair, fair skin, and hazel-green eyes. This year for summer my family and I are visiting our friends the Sangster's. I don't mind them, besides Thomas. I hate that kids guts and always will
Hi, my names Thomas. I'm an 18 year old and lives in England with my family. I have blond, kinda scruffy hair, dark brown eyes and I'm pretty pale. This year The Whittam's are coming to England for a visit. The whole family is nice, except Katie. She is literally the rudest person you will ever meet.
In this book Thomas is 18 and not famous.
Hi guys this is my first fanfic so I hope you enjoy reading it!