Not so happy ending ( Niall Horan fan fiction )

This isn't going to be your everyday Fanfiction where the boy gets the girl they argue and then they get married and have children and live happily ever after , no this is FAR different from that you see the story is normal at first but yeah then Niall Horan walks in , but then every little thing goes down hill till the last word . enjoy my story ' not so happy ending '