Seijo wo Kubi ni Nattara, Nazeka Youjoka shite Maou no Pet ni Narimashita.

A former saintess, Presea, was falsely accused and executed. She thought that her life was over, but somehow she is reincarnated as a young girl in the castle of the Demon Lord, the sworn enemy of humans. She tries to escape from the castle before they find out she is a human saint, but...! A story