Mother Alicia possessed by the lewd mark [name]

Description: A certain kingdom is plagued by demons known as “evil spirits” that possess humans and rob them of their reason.
The protagonist, Alicia, is a priest at a church in a mountain village.
One day, after exorcising an evil spirit that appeared at the church, a mysterious pattern appears on her lower abdomen.
It is a curse known as the “lewd mark,” placed on the evil spirits in order to oppose clergymen like Alicia.
It reacts to the recipient’s strongest desires, slowly draining their reason.
What will become of Alicia, who has been suppressing her bottomless sexual desire with reason?