Another empty bottle

A girl who has a good normal life at first . As she grows up , bad things starts to happen , starts to realize reality , then stops being happy. Parents get a divorce and her life falls apart and she can't get those scars to heal again. She is reminded who and what she is in this world the brings her down. Her dad is a drinker who a gf with three sons . They get along at first and she thinks things are going good again but it all collapses and she is stuck in a dark place then she disappears. It's all gone and over. "What happened?" they ask. Let's find out