Karyn's Little Strip Tease

Before Jon could say anything Karyn began unzipping her pants. She was focusing on his slack jawed expression as she swayed her hips while pulling down her jeans. She bent over as she pulled her pants past her knees, her eyes now level with Jon's.
Gazing deep into Karyn's eyes seemed to wake him from his trance. She was smiling deviously as she stepped out of her pants, now puddled on the ground, and arched her back to give Jon the full view of her massive breasts.
John was in disbelief; never before had Karyn acted in such a way. He was completely mesmerized by her figure and was in even greater awe now, needing to crane his neck in order to see her smiling face.
Even before he could take her all in, his gaze was again pulled downward as Karyn began slowly removing her panties, revealing her neatly trimmed bush.
John felt hot all over, blushing at his naked friend, then turned to cover his dick, realizing his puny member was beginning to rise to attention.
Karyn laughed and decided to-