Princess of the underworld (love story)

I control my urges as Father Magnus Falke. I'm never tempted by a pupil in my role as headmaster of a Catholic boarding school. Till she...
To restrain my impulsive behavior, I became a priest.
Afterward, I meet Tinsley Constantine.
The rebellious princess violates my rules and brings out my dark side. I want to punish her more, so I punish her more. I want her completely, in my classroom, private rectory, and hunched over my altar. There is no forgiveness for what I have done.