FF COTW is not censored. The fact people keep saying things without even researching is the most annoying part. Mai's design is the most fanservice it's ever been for the series, she has bigger boobs, less cloth and a bigger backside in this release than in KOFXV. This just keeps getting better and better as it goes on.
Here is an example
KOFXV
FF COTW.
As for the classic outfit. She still has it, it only changes when she does her super finisher much like Samus Aran from Smash Brothers for her Biker Outfit. Her boobs are also bigger in the retro throwback to her older outfit and shows more of her curvature.
Fun fact. Mai's Biker Jacket outfit was an inspiration to early character design art from the KOF Artbook.
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Her outfit in FF COTW when she uses her Super.
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This outfit has a lot of tight skin, tight fitting clothes, also her boobs are much bigger in this. The outfit is most likely going to be optional anyways. As for the Hotaru Super you have no real proof and are just throwing accusations around without again doing research into what you are saying, it's the same move it's always been unless you are going to say they do not show the face when she strangles a character. But if you wish to troll around and say the opposite, I will just enjoy my fanservice game, while you make yourself miserable by proclaiming censorship on everything.