An Interesting Concept

I have been having this idea for a little while now. My idea is to have a story about a female vampire whose life has become bleak after living centuries as a monster that people have feared. She meets an interesting human boy who rarely speaks and has been cast away by society. Both of them are societal outcasts and with that they slowly form a lasting friendship with the vampire learning many lessons about human empathy and friendship and the vampire helping the boy with the issues he has. She eventually will try to abstain from her vampiric nature in a pursuit to get closer to the boy and human kind. At some point the boy will disappear with which the vampire must look to find the boy. She will then be called by a mysterious figure who tells her that he could help find her friend. This begs the question, will she trust him or not.

I hope this sounds like a fun idea for someone to read.