Not just a Bookworm

OoTP. AU. What if Hermione answered more aggresively when Harry screamed at his two friends as he arrived. It turns to a shouting contest between two friends. Because of his anger, Harry hurts Hermione's feelings. Harry has to learn to take his anger out of people who really deserved and this leads to a really different 5th year. H/HR (And some other pairings).