↓ Transcript
Panel 1:
Bae: "Now, I'm oversimplifying a lot, I don't really want to bore you with all the conflicts and resolutions that happened as a result of all this."
Bae (sfx): heehee

Panel 2:
Bae: "But it is why demons have such humanoid appearances!"

Panel 3:
Bae: "The change happened over many many generations, so you'll meet families who still have both forms."

Panel 4:
Bae: "Or some who are more human-like and lost their ability to turn back into creatures entirely."

Panel 5:
Bae: "And some families, simply changed their minds and completely returned to it."