I wonder if the 14 graphics engine can do something like this.

[Nestama]

Guess what it is already rated teen and says partial nudity in the rating so what is the problem with outfit like this. No don't think it take 3 months it take same amount time because they still have to go thought them for any new content. Better look at the spring dress its kind of like this dress but open in the front so what make its worse adding mesh to open area of the dress.

Depends on the people who rate the game, I suppose. Yoshi-P has stated that they would have to re-release the game if the rating were to change for X reason (this was in regards to Rathalos' tail not breaking off as it does in Monster Hunter).
Australia's Classification Board would probably be the biggest hurdle, but that's just me being spiteful as they're a joke at this point (they were a bigger joke back in the days before we even had the equivalent of America's M rating).