Candace was in between classes and quickly learned to be some place private when we called. She typically ended up in the library of all places, where...she would hide in the corner and play with herself while she watched us fuck.The sisters came up with a new game to help encourage me to get out of the house. They would flip a coin to decide who was going to be ‘my girlfriend’ and who was going to be the ‘pick up girl’. Then, we would meet at a club across town and pretend to “seduce” the other. ‘I’m glad you liked it,’ Tyanne replied with a smile as she scooped up his plate put it in the sink. ‘Fancy a bit of a tour of our new home?’ ‘Do I have a choice?’ Tag inquired. ‘No.’ ‘Then lead on.’ As Tyanne stooped to pick up her backpack, Tagnik’zuur hopped onto her shoulder. Turning right after exiting through the back door to the kitchen, the pair paused at the stairs leading up to the second floor and down to the cellar. ‘Up or down?’ Tyanne asked. Tag regarded the lit passageway. ”“Did I hear you right, airtight? I asked.“Yes, my dear, and I think we should schedule it for tomorrow,” he said.Whether I liked it or not, I had become an unwitting participant in Doctor George VI’s sexual addiction study.At the appointed time, I arrived for the next step in the study, i. e. making Nurse Kelly airtight. There were two handsome men present with Doctor George VI. The Doctor introduced them as Tom and Dick. The Doctor explained that Tom’s cock would fill my mouth, Dick’s cock. “Good morning sis! How is my beautiful sister doing this morning after last night?”“Sophie, I’ve never felt better. I am so happy and in love with you and what you did to me last night makes me so happy. I’ve never felt true love until now.”“Me too sis. May I join you?” she said with a warm smile.“Of course you can. Step on in.” I said as I returned her smile.She stripped off her panties and stepped in. As soon as she did we were eye to eye and with the water flowing over us, we kissed. I could.