-Highly detailed transformation of furry/monster and/or gender variations
-Phsycial growth stuff but less giant women, more you have a magic potion that makes that dick huge.

I wish I could play those more but I write heavy paragraphs and lots of introspection/worldbuilding. A lot of people who are into the same fetishes tend to like a different style. And honestly these make me think incest and whatnot is tame, lol.