It was about 8:45PM when the Muni bus finally arrived. Being a Friday night, the bus was truly packed, and only by extreme good fortune did we find a lone empty seat, an aisle seat near the back of the bus. Like the loving gentleman he truly was at heart, my big brother and Master graciously offered to let me sit, but I had another idea.
"That's okay," I said. "I'll just sit in your lap."
With a slight nod, he smiled - not with his lips, but with his eyes. I instantly responded in kind.
I sat in my big brother's lap as the bus began to move, and he immediately wrapped both arms around my middle. The conversations around us suddenly became much softer in overall volume. The old man sitting between us and the window stopped reading his book, glancing from me to my big brother repeatedly, an unreadable expression upon his face. A group of teenage girls openly gawked at us, especially at me. I heard someone behind me muttering something under his breath. Yet my big brother leaned back in his seat nonchalantly and closed his eyes as I absently watched the San Francisco night life passing by as the bus rolled on through the gathering night.
I had to wonder: Did we ooze incest? Was it really so obvious to the other passengers that my big brother and I were truly in love? Was it somehow evident that we had made love on nearly a daily basis for well more than a year? Could everyone else somehow recognize that my big brother was also my Master, dominating me and commanding me and sometimes even hurting me for his pleasure while I gladly endured it all?
As these and other similar thoughts passed through my mind, I could feel my nipples hardening. My bra seemed to become rather snug as it supported my breasts. Suddenly, I wanted the soft cups to be replaced by a specific pair of masculine hands: warm, loving hands which both supported my subtly-swaying flesh and gently kneaded them like two balls of dough.
At the same time, I glanced back at my big brother and Master as he opened his eyes and gazed briefly at me, smiling subtly. I could feel a lengthening, a hardening, within his jeans.
Was it the close proximity which was arousing us both? Was it the fact that we were in such close proximity in public which we both clearly found arousing? Were we both "closet exhibitionists" at heart?
That last question made me want to suddenly stand up, turn to face my big brother, unzip his jeans, produce his wonderful manhood, and give him the best fellatio of my young life to date, not stopping until he erupted in my mouth with a raucous roar. As I envisioned it, feeling my thong dampening and my nipples tightening even more, I so desperately wanted to do it, even though I knew that we would certainly be arrested.
Yet, in my mind, the public scene definitely did not end with my Master's surging climax. Instead, I would be ordered across his lap, my head in the crotch of the stunned old man sitting next to him as my skirt was lifted, my wet thong lowered, and my bare cheeks spanked long and hard and mercilessly as I kicked and struggled and cried out with each delicious strike of my Master's bare hand.
Only when I felt my big brother's arm stiffen around my middle did I realize that I had been rocking gently in his lap, my motion encouraging his arousal. I noticed that his breathing had changed subtly, in a very good way - only someone who truly knew him so intimately would know that such a change signaled his arousal, his hardening need.
At last, our stop was announced, and I reached behind the old man's head to pull the cord to signal the driver to stop. Yet my mind did not stop, for after the spanking, I envisioned my Master furiously fingering my sisterly body, not even slowing down until I screamed of my love for him... directly into the old man's crotch.
When the bus finally stopped moving, I stood quickly and pressed my way through the throng of passengers, stepping onto an equally-crowded street. A heartbeat later, my big brother was standing beside me, reaching for my hand so he could lead me through the masses to the nearby BART station. In the bustling crowd, we were no longer big brother and baby sister, we were no longer Master and slave, we were not even illicit lovers - instead, we were simply two people hurrying along while trying to navigate the river of people, much like two salmon swimming upstream to spawn.