Dragons Race to the Edge - One of a Kind (Hiccup X Reader)

(WARNING: Contains somewhat mature content, including language, brief violence, or mild sexual themes, and may not be suitable for people under age 14)
My name is (Y/N), and I'm different from everyone else. I live out here in my own since I was a little girl. When I ever got mad something happens to me, I never understood it. I turn into a dragon and it's completely random. I never choose which dragon unless I wanted to change which that never happens. My parents called me a freak and they never loved me anyways. I ran away from home and no one search for me. I learned not to trust anyone. I live in a cave with all my needs to survive. But I meant a boy one day. He was different...