Wow, of all the dress designs I seen Yukari-sama in. This is by far the best.

Nice Boots :: points down ::

... Where's the error, exactly?

I assume he's mentioning one is darker than the other. But then again, she's positioned with that leg in the back, so it seems right TBH.

that leg in the back is quite bigger than the one in the front, for some reason.

I feel sorry for the artist.. That picture looks like it took forever, and to spend all that time and only later realize making such a silly error is always painful. That why I hate deadlines, since it's always good to have a 'waiting period' with one's art so they can look back at it later with a fresh mind and spot any really obvious errors their brain had glazed over previously.

Still, a really awesome piece.