One direction Larry stylinson vampire fanfic: Battle for Love.

Ever since Louis and Lottie's parents got killed by vampires, they trained themselves more to become better vampire hunters, but unfortunately Louis world gets flipped turn upside down, all he ever wanted was to protect his sister and train her harder, but sadly, he failed her and himself.... What will Louis do now? Will he ever forgive himself for letting this happen to his sister? Will he end up falling in love with harry? Will harry finally find the love of his life? What will happen when there father finds out about this? Will harry turn Louis to join the battle and be with him forever? Well now it turns out.. this is a battle for there love...Wanna know what happens next??.. Well read and find out....... enjoy!.