Responses
Yeah, he fell in love with her at first sight during her wedding. He tried to forget her but whenever he saw her, the feelings surface and it made him obsessed with her more and more. He one-sidedly believes that she is a demoness as she could affect him. So he vowed to have her (in the novel by forcing her to enter monastery), or no one shall have her at all..... Creepy mode ON. (⊙…⊙ )

Is the head priest a bad weed?