Harry Styles is 26 years old and is the younger brother of Gemma Styles and he is crushing on his sister's boyfriend, Luke Hemmings. He knows that it's wrong since Luke's dating his sister but he just doesn't want her to know about him liking her boyfriend. Gemma Styles is 29 years old and is the older sister of Harry Styles and she is dating 5 Seconds Of Summer band member Luke Hemmings. She's been dating him for a year and she can't wait to spend the rest of her life with him. Luke Hemmings is 24 years old and is the younger brother of Ben and Jack Hemmings and he is dating Harry's older sister Gemma Styles. He's been dating her for a year and he can't wait to spend the rest of his life with her. Harry just doesn't know how to tell Luke that he's in love with him knowing that he's already taken in a relationship with his sister. How is Luke going to react when Harry does tell him how he feels about him? Will Luke feel the same way that Harry does about him or will he turn him down by saying that he doesn't feel that way about him? Read and find out what happens in Falling for my sister's boyfriend ------------------------------ ©2020 @harryxlukex All rights reserved. This is my original story. Please don't copy or steal my story