Blood

It's a story of a girl who had many problems in the past and now starts to have the bigger ones from the ones in the past... so basically her life is not going like other teenagers' and
"Who would like a girl with cuts"
It was always all over her head, and who knows what sadness can bring people to, right? Anger causes hate, passion, hard feelings, etc.
So basically as I said, read the story of a sad girl