The basic story is simple. It is the story of the temptation of a chaste priest, of a man young in the clergy who has taken his vows, who is determined to uphold them, and the girl, the creature that is sent to test them.
The practice is more complicated. She waits until he is working the confessional to tell of her sins. And what sins they are, lust, adultery, and worse, though she seems young it seems she has many men wrapped around her finger, each story told in graphic detail. Each story will function as a short RP-within-the-RP, the player of the young lady playing herself, her most recent victim or paramour played by the other participant, allowing for a great variety in characters and action.
Some of the stories are true, some are false, but all are told with one intent in mind. To excite the priest, to render him weak against her temptations, to help him surrender to her corruptive influence so he can be turned against the church. To use his good looks and popularity to spread her misdeeds further, to make sinners of them all.
I have a predilection to play the naughty young lady here, communicate interest in any way you please (PM, IM, Post). Idea details are negotiable.