Back when Super Smash Bros. for Nintendo 3DS was launched, players quickly pointed out that the inside of Princess Peach’s skirt was cloaked in darkness. The same is true in the recently released Super Smash Bros. Ultimate, but not for all characters.
https://kotaku.com/princess-peachs-underwear-is-protected-from-your-gaze-1634782027
For example, in Super Smash Bros. Ultimate, the same privacy void Peach gets (see below) is also afforded to Rosalina. Inevitably, some folks have been trying to figure out workarounds.
https://twitter.com/embed/status/1071046263250989056
Oddly, however, Palutena does not appear to get the same treatment—at least, in the Japanese release
ピーチとかロゼッタは暗黒空間なのにババ……パルテナだけパンツはいてるの草 pic.twitter.com/HEiEGcWr2F
— コーラ依存症@GMT (@GMTcom) December 8, 2018
パルテナ様エッッッッッッッッ pic.twitter.com/F9AilAqRgX
— 怪盗紳士R (@Kaito_Shinshi_R) December 9, 2018
https://twitter.com/embed/status/1071604050511056896
Not sure why!