I felt very humiliated at seeing myself reduced to those few comments but I knew they defined me pretty accurately. "It looks like an opportunity for ...more shopping," I replied."That's a good answer, slave. Now you can show me what you've learned today. Undress me."I started by helping her out of her T-shirt. Ordinarily, I would have kept undressing her, but I knelt on the floor and lavished her breasts with attention from my hands and tongue. I licked, kissed and nibbled each of her pale. I ended up with a drawer full of teen fashion braswhich I was required to wear all day, every day.I had a choice at bedtime. Wear a bra all night as well or wear a nightiewith built-in support. The girls wore extremely short frilly nylon orsatin ones, of course What a choice!This continued until I was starting to overflow my sister's cast-off Bcups. Finally, I thought, I'll get some "ordinary" bras and cottonnighties.Not a chance! Mum bought me C cup bras from the same sources as always somy. "Dave, have you been with a girl yet? You don't have to answer if you don't want to."Dave eventually answered softly, "No."After another extended silence, Collette eventually said, almost too quietly for Dave to hear, "Maybe we could help each other."Dave was almost afraid to breathe. "You mean... you and me?" he finally said."Yeah," she said, sounding like she was trying to convince herself as well as her brother. "I'm not trying to take advantage of you. We love each other, right? I mean,. At first i'd sneak into her room and just rummage in her underwear drawer. The thrill of this was enough to give me a hard on, but as time passed, i'd steal and item or two to play with in my own time. The feel of my sister's underwear, silky or lacy was just so exciting. One day I was teasing myself with a black silky thong, and I lost control and blew my load right into them. Well after so long stealing them I progressed one day to trying them on. Women's underwear just looked, and, as I.