I'm a little into this but from the other way round, with a dominant shemale ballbusting a male.

I met a couple of shemales once and they were gorgeous and very strange, like meeting aliens, a different species. And definitely more She than male, very sexy. I've often imagined what it might be like to have my balls busted by someone like that, someone who knew exactly what ball pain actually felt like but dished it out anyway.