Fun History Facts: The Fountain of Youth (NSFW) (Patreon)

This version of this image, I've not seen before unlike the public version of this image.

(Believe it or not, this doesn't trip the automated filter somehow when I click "Public" for who can see this post. Maybe it's just side profile enough? However, I'd better not push our luck all the same!)

Possibly by Studio Katsumi (as Studio Boom back then).

Or perhaps not.