Ninja story?

[Sleepingdragon9]

Kunoichi girl who is famous gets captured by enemy and is humiliated and turned
into a sex slave?

 

[mythtrav16]

Kunoichi girl who is famous gets captured by enemy and is humiliated and turned
into a sex slave?

I once read a story about a female ninja from a videogame series - Soul Calibur. It was very easy to get in to, because the woman, Taki, is incredibly sexy in the games.

However, the story was more fantasy than what you suggest, and was based around a cursed ring which, when worn, allowed a demon to take control of the ninja's hands and masturbate her to wild orgasms, sometimes in public view.