A priest who preaches the strict doctrine that "sexual desire is a sin" is robbed of his chastity by a sister who has fallen into lust!! The devil is a human being possessed by sexual desire and transformed as a result of the fall. To prevent demonization, both men and women wear chastity belts in church to suppress their sexual desires...!? A sister cries and pleads for the liberation of sexual desire!! With a body that has already been demonized, she approaches...?