I Was recently reading the amazing story "the girl with no name"
It reminds me of a picture story drawn by French artist "George's Pichard". It was called the road to repentance. It's a fascinating story about a journey that a woman chooses to take and accept a life of discipline and austerity, to avoid eternal damnation
The woman in the story is devout and believes many of the things that she is doing are required to obtain salvation, And purge herself of prideful and sinful thoughts.
Do you have any other recommendations either for a medieval setting or for a modern setting of Christian BDSM?