Who is Sans?

Hiya, I'm Rikka. And this is my first story. I hope you guys liked it! I'm sorry if there's any grammar and spelling mistake. Hope you guys enjoyed reading it :3

Y/N is 17 years old and lived in a town and stuck with an abusive parents. One day, a human child name Frisk came out from the underground and freed the Monsters. You really wanted to be friends with them but somehow, your parents locked you inside. And almost every time you went to school you go try to make friends with the monsters. So you decided to run away from your home and try to find a better life.

!!Warning!!
A bit depressing and contains self-harm