This is based more for females but doesn't matter too much if your not.
At the age of 8 your parents were brutally murdered by demons, they were hunters and good friends with Bobby. He saw it as his responsibility to make sure you were okay, so he took you and you stayed with him for about month. It was only a month because one night, John Winchester came with his kids, 6 year old Sam and 10 year old Dean. When he saw you he asked Bobby about you and after a discussion with Sam and Dean, took you under his wing. You became close with the brothers and became a hunter like them, and stuck with them through it all. Travelling with them and working cases together.
Quick note: I may switch between seasons when writing every now and then.
