Khan was a 50 yrs old man and used to take the my class at his home. He used to stay with his wife, whom I used to call aunty. They did not had any ch...ldrens.Since I was very weak Khan sir use to ask me to sit for extra time at his home and his wife used to take the follow up. Aunty was in her late thirties a little plump. Not so good locking and little dark, however she had big ass and comparing boobs. The best part used to be her dressing, she never wore bra under her blouse.During the class. “Damn” she thought, bet i have been to long. As she walked back to her office she passed a office that was being refurbished, she stopped in her tracks as she heard a laugh that she recognized. Looking through the office door she saw John and Andy plastering! She rushed back to her office and looked out of the window to the car park and there it was, John and Andy’s white van! “Oh no” she thought “is that why he has been so off with her today, may be he knows”. She felt a nervous feeling.. She let her calves slip up around the thick head, coating the insides with his copious precum and then slipped them back down a bit but leaving the thick calf muscles locked securely around the head, knowing how hot it must feel rubbing the back of his dick. She watched his reaction as she slowly squeezed harder, pulsating her calf muscles, throbbing them on his trapped dick, vibrating the fleshy meat, her socked toes twisted together. She felt his and her orgasm building and rapidly quivered. "Well what did you want to show me. " she walked to me and leaned in to me. "Just something special. " she whispered sexily. She crawled on my lap and pressed her self to me. I wrapped my arms around her waist and she kissed me. Our lips moved in unison as we both explored each others mouths. Our hot kisses led to my hands sliding into her pants and squeezing her ass. She jumped and broke our kiss. "Should I suck your dick. "She asked me. I gaped a ,little shocked. "Um.