"If everybody's minds get swapped around, I'll just change everybody's DNA to match!"

Kyouko said:
We're going to be all jumbled up! We have to do something!

Yumemi said:
Really? Then I must capitalize on this situation to commit crimes against humanity!

And then they all swap bodies! Yumemi becomes Lily, Doremy becomes Chiyuri and Kyouko becomes Yorihime, done.

The first thing Yumemi thinks of is using her assistant’s body as a Guinea pig. No wonder Chiyuri is not happy about that.

This moment when the (at least physically and mentally) 14-year-old is the adult in the room.

Kyouko's psyche is afraid to be in someone else's body!