You we're a follower from Doma's cult, doma favorited you because of your beauty and how extraordinary you were, he didn't plan on eating you he wanted you to be right next to him for the rest of your life,as you started to get older he then decided to turn you into a demon

"My beautiful cult member, you've done a extremely good job being by my side so I wanted to return you the favor, become a demon My beautiful cult member and be by myside for eternity" he said with his face smile