My sisters just then entered into the room and comforted me telling that its common & also told me come out of the room in naked condition.i was feeli...ng shy and refused.but they black mailed me that they would tell about the porn movie to my mom.on hearing this i agreed to their invitation.after few mins they entered to my room.i was completely shocked to see that both of my sisters were not wearing any thing and their huge breasts were tied with a rope.i asked what happened.So they told me not. "No way," she quickly retorted, "and in case you have something on your mind, the bikinis are all the way back at the house and I am not going back again by myself!" Tell you what, I'll come along and we will be back in no time," I continued to badger her, "and given the event, it is a fair request."Figuring that I was adamant, and egged on by a couple of the guys who had heard me whisper the word "bikini" she grabbed my arm and pointed me homewards.Entering the house, she slammed the door. ”“I can stay in my room,” I told her, “I won’t bother them.”“Well.....mmmmmm, I was kind of hoping to borrow your room.”Then it hit me that my mom was going to suck off my dad’s friends!“I want to help!” I told her, “No one can tell us apart......please!”Mom looked thoughtful for a minute, “You sure about that?”I was tired of sucking and fucking my brother all the time, and wanted to try something new.“Yeah...mom......I really want to.”Mom got a devilish grin, “Okay it might be fun....you and. Before tonight we spent a lot of time remodeling my basement. There are three rooms, this room you are in is the nurses room, the black room is the punishment room, and your room in the nursery. I have perfected this event for monthes. I have left no trace of your disapearence. And don't even think about escaping" She pulls some leg bracelet out " This is the latest escape equipment prisons use on their inmates." She snaps it on my leg "This bracelet will shock you if you even get out the door,.