Reconstruct the lower body (Patreon)

Conventionally, the structure of the lower body when in suspension has been body, lower layer pants, skirts,  jackets, thighs, va*ina, upper layer pants In order from back to front, but there was a problem that pants was displayed in front of  jackets and skirts because of this structure.
To solve this problem, I had to use the trick that mask the pants fitting the shape of  jackets or skirts. I reviewed this stacking order and moved the pants to the same lower layer as the body. This should make the structure much simpler and the production efficiency much better.

However, this time the thighs come to the front. So now I apply the mask to the thighs. 

Well, it looks almost the same. After all, even if it's a 2D game, it must be made with the same structure as reality. I should have noticed it 10 years ago ...
Now, the graphics are good, but the structure has changed drastically, so also the program has to be rewritten drastically. It'll be very hard work too...