Why?

One shot. Carlee gets bullied. Her dad is abusive and her mom left her when she was young. She has no friends and her crush has a popular girly girl girlfriend. Her dog is the only thing she has in life. Then something tragic happened. Her dog died. She never knew someone was watching, was listening, was waiting for the perfect time. But then he missed it. His time ran out. She wanted to take her own life, and she did.