OFF LIMITS

Everybody knows Niall Horan as a membr of the famous british-irish boyband ONE DIRECTION what we don't know about him is that he have sisters not only sisters but twin sisters Nikki and France Horan. Niall is a very protctive old bro so what happens if he will bring Nikki on tour with him?Not only a One direction tour but they also have 5SOS as their guest What will happen if Nikki falls in love with Ashton but Zayn is also in-love with her?What will Niall do? Be over protective over her and say "SHE'S OFF LIMITS"or give Nikki the chance to be happy? we will all know that after we read this fanfiction.