Gym

As Donna entered the locker room, she saw three girls standing in front of her, actively blocking her locker, they were another set of mean girls, something that Donna only now considered to be overtly abundant in her school.

It was the cheerleaders, in particular, it was the three most senior girls on the team, and since they had the power, they flaunted it.

"What... Do you want?" Donna hesitated to even engage the girls, there were very few girls remaining as everyone had finished changing, and so it was simply Donna and the cheerleaders in there now.

"Your name is Donna, correct?" The leader of the bunch, Grace, leaned against Donna's locker, a chewing gum bubble emerged from her mouth and popped loudly, resounding in the empty locker room, and flashed a devious smile at Donna.

"Y-yeah... Uh, that's my locker..?" Donna didn't exactly know what to say, she was standing there completely naked, her hands had crept up to cover her unmentionables, not out of embarrassment, but the way Grace looked at her made her feel as if she needed to shield herself from danger.

"I like your style, Donna, you'er pretty brave to walk around naked in school!" Grace's enthusiastic tone did not do much to cover the predatory one Donna sensed earlier, it was clear this was only a preamble "I wanna see you do more."

It seemed that Grace was bent on willfully ignoring her, Donna thought it would probably be faster to humor her; she was already late to class.

"What do you mean more?" Donna gave in,

"I want you naked in gym class." Grace went right to the point, she certainly didn't want Donna anywhere near her locker.

"I can't do that! if the teacher sees me I'll be in trouble." Donna's refusal seemed to only amuse Grace, who looked away smiling.

"I guess that's fair, tell you what though" Grace offered "I'll let you have your uniform if..."