>>49246773Literally none. That’s the entire concept of Rule 34. The internet is vast and feitishes are diverse. Nothing is to pure to be lewded.
However, some mons are obvious more lewdabke than others. if you looking for the least lewdable mon I’d try Gen 2. there was a graphic that showed the most lewded Pokémon by percentage of work of that Pokémon that was lewd. Long story shirt Gen 2 had the Least rep. gen 7 had the most. I don’t have turbo mage though