Anyway we picked him up he surprised us by being quite articulate and well mannered, not quite what we expected by the time we crossed the River Murra... we were having an easy conversation. On this trip we weren't looking for a sexual partner, just drive over for the wedding stay a couple of days and drive back.Anne had dressed casually for the trip a white off the shoulder blouse and a crossover skirt, as usual no bra and brief panties, of course she showed her usual cleavage. I drove to Ouyen. I just held my hard dick in my hand, and apologized. In all my years of fantasizing about getting caught masturbating, nothing could’ve prepared me for what was to happen next. I heard my sister’s voice says, “don’t worry brother, i won’t tell tammy what a perv you are.” then she giggled as she came closer for a better view. I couldn’t believe it; i had been caught jacking off in front of my own sister. Well now i really didn’t know what to do, so i just stared at her with my mouth hanging open. In my mind I sensed the plants pleasure. But the aphrodisiac was absorbing quickly into my system and I felt myself growing wetter. The plant knew I was craving its touch. It was eager to oblige. I slid the tentacle from my mouth, giving the tip a final flick with my tongue, before sliding out of my robe and tossing it aside. I had already positioned a table nearby which would place me at the perfect height to give the plant access to my body. I climbed on and lay with my knees bent and legs. “ “And what will you do if I don’t listen to your wishes?” she asked softly, almost as a friend.“I, I ..“ sissy was thinking about the answer while looking over her shoulder towards the way she just crawled in, but a blow across her exposed belly broke the sentence.“Did you really think I care what you want?! Oh, I see, you plan how to escape. What makes you think you can exit this dungeon at all? It is locked, look” with that Madame returned to the door to show it cannot be opened and there is.