Weiss notice her state

Luckily for Ruby, Weiss look down to her "uniform" and then glared at her partner, finally noticing something missing, she looks down again towards her "attire", Without Emerald's semblance affecting her mind, she can now see her own white skin along with other intimate parts, parts that would have been seen by the other students if it weren't for her teammates and her partner.

"Aaah! Why am I naked!?" Weiss screamed as she immediately covered herself, her face fully red from embarrassment now finally into a realization that she is (still)naked.

Not to mention the fact that she basically flashed at her teacher and her partner(who is still in front of her). Weiss felt a waved of embarrassment at the thought, and relieved that she has not been discovered thanks to her partner.

"Finally" Ruby sigh in relieved that her partner came into her sense. Though it's at this moment Pyrrha came into the changing room to get dress into her combat uniform and heard a scream.

"Weiss are you alright I heard screaming-" Pyrrha dashed in worry and paused as she sees what's in front of her. Her two friends, one of them is for some reason stark naked.

"Oh my!" Pyrrha said, red face towards her friend's nudity

"D-don't look" Weiss screeched, still covering herself as the feeling of embarrassment kept crashing onto her. This is just not a good day for the nude heiress.