Distracted during math

Jessica sat quietly, her legs pressed together to not expose anything under the desk. She sat securely as she listened to the teacher, Ms. Hiddleston drone on about quadratics. Suddenly, she felt a tingle between her legs. She left it alone, but then the tingle became a vibration, and she had to look down.

On her upper thigh, she saw a black elastic band, and tucked between the band and her inner thigh was a small pink remote, a pink wire led from it, under her skirt. It only took one guess to figure out where it went, and what it was. Jessica gasped in shock.

"What the? When did...?" She whispered to herself.

She suddenly saw some text appear on her notebook. Staring at it, she read it.

"Don't you DARE touch any of that, or you'll be sorry."

Jessica looked around, trying to figure out who was doing this. She wrote down her own question on the paper.

"Who are you? Why are you doing this?" Jessica asked.

Outside the room, Natasha stood, smiling at the stopwatch in her hand, and clicked it once she saw her sister put her pencil down. She walked over and read what it said. Nodding, and smiling, she decided on what to write...