Secretly dating... 1D fanfic

Victoria Payne is Liam Payne's younger sister. When Liam became 1/5 of One Direction, he breaks her heart. She started to be a girl who does like she want, break some rules are just something fun that can happen sometimes! If she feels like it, she skips school, but that just happens like once or twice a year!
She escaped to Sweden when she was 16. After 2 hard years she moved back to UK. She started to work on a restaurant in London. But one day her life changes, cause Liam comes to the restaurant. After many tears and promises he bring her with him on tour. She start to fell in love with the blond Irish guy. But Liam forbids them two to date, which Victoria think looks like a fun thing to break. But Niall isn't so sure if it's the best thing to do.

"But Liam..?"
"Shh! He doesn't need to know anything, right?"
"..."