"I'm late." (voyeur)

Jessica relaxed and let's her head go down. By accident she glances at the clock. “Oh fuck!” she exclaims. “What?” Tanja asks. “I need to go to school, I only have 15 minutes left!” Jessica flips into high gear but is stopped by Tanja.“Now usually you should return the favor, but I'm going to let you off easy. I want you to watch me masturbate” Jessica protest a little but after a stern look from Tanja she knows it's pointless.
So Jessica steps out of the shower and starts drying herself off. Meanwhile her eyes are fixated on Tanja. She sees how Tanja moved her hand towards her pussy rubbing her clit. How she arched her back. Jessica was rubbing the soft cloth of the towel against her naked body ever harder, feeling with Tanja who was getting into a state of extacy.
She saw how Tanja entered her pussy with two fingers burrowing deep inside her. Every time they rubbed against her G-spot she jolted a bit. Jessica threw her towel aside and reached behind her for her clothes. She couldn't take her eyes off of Tanja. She noticed she got more and more excited if she wasn't late she would join in again in a heartbeat, she wouldn't even have left.
She just had put on her top when she saw How Tanja arched her back even more, how she gasped and how she came. Tanja's body sagged and she breathed heavily she then looked at Jessica. “Next time you won't get off that easily” she said.
Jessica now turned around to face the washing table. She brushed her teeth and put some make-up on. In the mirror she could see Tanja softly brushing her skin as she came to her senses again.