He Was Always There(Alastor)

(Art not mine) Abandoned at a young age, she was taken in by a certain demon who had other intentions. Elizabeth felt as if she was missing a piece of her and her life after she was 12, but she could never figure it out. One night she was encountered once again by someone she felt she knew. After much time, exploring, and romance she realized that the thing she was missing all her life was back in her grasp.