Nebula can't resist the allure of her best friend's favorite panties, a lacy thong that drives her wild with desire. She slips them on, feeling the cool fabric against her skin, and begins to stroke her throbbing clit. Her mind races with taboo thoughts as she imagines her friend's boyfriend using the panties to pleasure himself. Nebula's body responds, and she feverishly masturbates, her fingers coated in her juices. As she reaches her climax, she can't help but cum in the panties, marking them with her forbidden desire.