a fun astronomy class

Daphne was close to hyperventilating into her gag as harry finished tying her up. "I can feel your excitement my little exhibitionist. I take it you love your reward," he said to her as he threw his cloak of invisibility over her making sure it hid her fully. he then made a mirror so she could see she was hidden.

Daphne was kneeling on the ground with her legs tied into a frog tie. she was sitting on a magical sybian that was currently off. her arms were restrained in a straitjacket that exposed her breast. such breast had nipple clamps with a chain attached to the sybian causing her to lean forward. she was silenced by a large ball gag.

for her reward Harry was setting her up on the astronomy tower. Harry and she had snuck up here about an hour before class was to begin. she would be left here with the sybian running and doing her best to stay silent as the class was in session. when Harry told her she nearly came from just the excitement. unknown to her Harry had added a silencing charm around the area so no one would hear her.

"And don't worry about being marked absent I already took care of that," said Harry before he started to walk away. he had a few charms on her that would notify him if she was in danger. before he left the roof, he waved his wand and the sybian turned on. Daphne gave a huge moan from this not that harry could hear it.

about twenty minutes later Harry returned with the rest of the class as they started. Daphne did her best to remain silent as the sybian changed its strength throughout the class. as she did, she noticed someone pretending to be her as they use their telescope to take notes. she wonders who that is and would have to ask Harry later.

right at the end of class the machine went full power, and Daphne could not help but let out a loud moan as she had an orgasm. her eyes widen thinking she had been exposed but was confused as no one turned in her direction. all she saw was harry smirking in her direction. figuring out she had been silenced she did not bother suppressing her moans as the class packed up and left. Harry came to retrieve her about ten minutes later.

"Have fun," he asked as he pulled the cloak off her. he then started to untie her legs.

"Fuck yes," she said as the gag was removed. she also had a huge smile on her face.