I want to die but, death won't let me

This novel is all about a girl who wanted to run away from all the problems she's facing. Her mother is in the hospital while her father is always out drinking all day. Mei is a kind girl whose heart is made with gold! No matter what situation she was in, she'll alwalys put others first. But the problem is, She's only sixteen years old (16) How is she going to pay for her mother's hospital bills? How will she manage to study, work as a part-timer and be a good daughter at the same time? Her father barely goes home and she has a bratty older brother to take care of. Also, her brother is studying in a huge school that is so expensive that she can live for an entire year with the money she'll use to pay his brother's school fees! Her brother is a brat and loves getting into trouble. Instead of being the older brother, he acts like the youngest brother and always getting into some kind of trouble and lets others fix it. Mei's mother has been sleeping in the hospital for almost three years now. The doctors said that there's still a chance that she'll wake up. Her father worked hard but soon, he had no choice but to give up. Now, he's spending his time drinking with women. Mei already have so much problem to deal with but here's another problem, there are bullies in her school who makes the students pay 2$ per day! So much trouble... And that's when it hit her, there's nothing else she could do to make her life better. Her best friend left her to become popular and all her friends are leaving her behind, her mother is in the hospital, her father comes back home drunk and her brother always gets into trouble! What will they feel if she suddenly disappeared? Is something gonna change?