Succyun not changing at all is hilarious. I mean, she's a 1:1 copy of the princess, but it's still funny. I had it in my head that she'd suddenly be this ultra buff dude when genderbent, just like how the incubus was suddenly a hot woman. Armadillo being a punchline is hilarious as well.
Let's also be real here; Kai proved a really good point in regards to kemono designs. Dude's a cool character when he's male because he looks like a badass werewolf, but when he got his gender flipped, his face was pretty much just a normal anime girl's in terms of design, just with a line to denote that his face was a little more round around the nose area. Truly, snouts on female animal characters are trash, and this series proved it.