One Direction Sickfics - Lilyflynnigan4

Lacey Tomlinson Payne. Little sister to Liam. Twin sister to Louis. Her brothers may act all tough and protective, but actually they all need each other in their worst moments.
Lacey helps her brothers and their friends through sickness, drunken nights and painful injuries.

BTW The stories are chronological but you don't have to read all of them :)