The life of Niall Horan

This book is about 1D and Niall has a little sister and Niall moved away when his little sister Makayla who was 5 when he moved and she is 12 and Niall is 25 Makayla gets attacked by her boyfriend and ended up in a hospital and met her brother Niall and the rest of them and was in love with one of them but which one find out when u read it!!!!!