Alice's skirt completely covers her panties at all times, even when she's viewed from directly beneath.
Alice's teammates complain about getting constantly flashed during every fight and demand that she do something about it. The next day, they're pleasantly surprised to see that Alice's skirt now inexplicably stays in place and keeps her covered at all times. When asked how she accomplished it, Alice cheerfully reports that she decided to simply go without underwear and let the censors take care of protecting her modesty, since now there's no way they can afford not to.
Zig Zagged: Alice manages to fight without flashing anyone, but her skirt flies up whenever a gust of wind blows.
Averted: Alice's skirt moves realistically, underwear shots and all.
The localization team is adapting a well-known Eroge and needs to reduce the frequency of Panty Shots to reach a wider audience. However, Alice'srevealingcostume is an iconic part of the game and a major plot point, and changing it may invoke a negative reaction from some of the fans. Instead, the animators edit the offending frames just enough to make sure that she's always covered.
Trying to maintain interest in a show already crowded with Ms. Fanservice characters giving frequent gratuitous Panty Shots, the writers introduce Alice, who wears a miniskirt that's even shorter than anyone else's yet somehow never quite reveals anything, then drop subtle hints indicating that she never wears any panties. Once the fanbase catches on, suspense and speculation push the ratings higher than ever.
Lampshaded: After witnessing Alice in action, Bob marvels at the skill it must take to fight in a tiny skirt and still keep everything covered. She responds that the skirt simply does that on its own, as if there's some mysterious invisible force working to protect her modesty.
Alice tapes her skirt to her legs.
Alternatively, Alice's skirt has literal magical powers to avoid a Panty Shot.
Exploited: Alice writes the MacGuffin's secret activation code on her underwear, knowing that's the one place that no one will ever see it.
Defied: Resentful of getting constantly upstaged by Alice and annoyed at her inexplicable ability to keep her underwear hidden at all times, Brenda decides to get revenge by hiding a large fan under the podium before Alice's big speech. When she turns it on, Alice's skirt and goes flying and finally shows everybody her cute little pink polka-dot panties.
Reconstructed: In the final match, Alice's opponent uses a secrettechnique that magnifies the gravity in the arena, leaving her unable to fight back. But just when everything looks hopeless, the hem of Alice's skirt rips open and all the weights fall out, allowing her to make a comeback. Even though she never bothers to replace her hemweights before the next arc, her skirt continues to behave itself and the issue never comes up again.