he didn't change his gender. Originally he is drinking a potion to stop himself from growing (he said he will stop drinking this after 7 months). Now Deyes gave him a potion to return his body to its normal age but side effect of first potion still lingers so he came back to his younger form.
It's probably because she's adjusting to her new environment as she became a kid again. The adults did mention that she acts mature for her age. Her past self's attitude comes into play too since it would be weird if they just brush it all off.
Man that emperor looked so hot when he was younger sadly we will never see him again I saved it as my lock screen I’m a sucker for white haired guy with blue eyes
I believe in queen Aria supremacy
Queen Aria Supremacy!!
Queen Aria Supremacy!!
Who disliked this ( ° ʖ °) don’t tell me you guys are Mille stans
It must have been an accident, because I am sure NOBODY sides with Millie
Nah bro I’ve seen people defending Millie in previous comments.
This is a work of Millie Stans
That's crazy stuff, bro