They were very tight and hugged his already hard cock hidden in her tiny panties and he was amazed at how great they made him feel.Grant then placed h...s arms in the openings and then raised them over his head and the butter-soft nightie slowly slid down his arms and then over his head rubbing his face in the process. The sensation of his sister's nightie cascading down his body felt better than he could have imagined.He quickly headed to the old dresser with its faded mirror to check on his. ‘Two more things. You now will start going out whenever I feel like giving you an afternoon off. This will be a privilege that I expect you will not abuse. The 5:00 return time is non-negotiable. I will make one exception to that rule, about 5:00, that is. If you ever decide to do a photo shoot with that photographer, I’ll let you stay out as long as you need to complete it. Of course you’ll have to clear it with me first.’ ‘Yes, Dr. Burnside.’ ‘Second thing. Your duties in this house will. ..coming from the bathroom or kitchen. I told myself that somebody else might be in the house (even if my sister-in-law and brother-in-law work 9 to 5 and are not home until 6 pm). A burgler? I hope not! I walked very slowly through the hallway and the scent was getting stronger and stronger. The bathroom door was open halfway and I realized that somebody might be in the tub as I've heard some water sound.I've got my head inside the bathroom (the only way to see the tub) and I've saw the mother. "Now thank me for fist fucking you." Although I was inwardly thanking her for stopping, I replied, "Thank you, Mistress. Thank you very much for fist fucking me." "Why, Sissy...you're very welcome," Mistress answered. Mistress sat down on the couch and rested for a while. She then said, "I am going to have to gag you now. I'm tired of hearing you." She brought a rubber gag attached to a belt over to me. "Say ahh", she joked, and then she pushed it into my mouth. She stretched the belt around.