I absolutely forgot about this reference sheet I did (lazily), woops! It was done sometime last year though, but it's still pretty close to Yewons current design.
I omitted the female-forms nipples and the male-forms wang, since I didn't want to file this under "mature", but trust me, they have them, and they're green haha.
You can come to your own conclusions about Yewons gender though 9u9, this was just made for when I get commissions or art-trades of this character, it has no real explanations, nor do I really want to write them. So it's still a mystery, HOHOHO. Maybe in the future I'll make a better sheet that gives a better idea of what Yewon is, but that would take a long time.
Yewons mine, pleasssse don't use this thanks.
Also, if you wanna see a really freaking good character sheet (one that made me wanna make one) you can go over to Yarrows here: