Someone Worth Fighting For

Olivia was just a normal girl, until her Mother got remarried...to Jeremy Bieber and now Olivia is living the life of Justin Bieber's little 16 year old sister. Justin and Olivia grow a very strong relationship. He protects her and is worried she will fall in the wrong hands of Harry Styles, but when she does....Justin hates the fact of them being together. Justin doesn't like that she's dating him.
So what goes on in their crazy love life?