She was older than him, she was also his best friends older sister. Y/N Irwin, older sister of Ashton Irwin, and Luke Hemmings. He had always liked y/n but ash told the boys his siblings are off the charts, no dating them allowed. Y/N is on a world tour for her modelling, stopping for a year in LA, Ash suggests she moves in with them..what happens when lukes feelings grow stronger and he falls hard and fast for her?