Wait how would this even work D'eon? Fate D'eon has the ability to be whatever gender they want whenever they want.
Polymoprhing only works temporarily upon shapeshifters - you can alter their form, but they can just change it back if they so choose on their next turn.
Surely having this body will interfere in battles.Can it return back to how it was before?D'Eon-kun-chan?M- Master...!WAAAH!!Shi Huang DiIT'S FINE, YOU DON'T HAVE TO SHOW US!!What dreadful faces you have there!*sigh*...that's what you said, butEverything will turn back to normal within this day!Leonardo Da Vinci ♂Everyone except for the crossdressing Gudao got genderswapped! How terrifying!The synopsis thus far: