it's definitely possible,
https://www.renpy.org/doc/html/ios.html
But requires some investment, and it could be quite complex to get this specific game on the App Store as Apple has some rules regarding nudity.
But if you're in the European Union you could possible release it on another app store that have less strict rules.
With that said, it's probably not worth Runeys effort of both time and money to release it on iOS especially as it would probably need a separate QA pass.