She said again… “ won’t you want your bro to be a birthday boy?”. My sister nodded her head in yes. “then remove his jeans see how he is ins...de.”By the time I think vishnu guessed that there is something fishy between me and ma. She decided to play the game as maa wants. My sis sat at my waist and started unbuttoning my jeans. Then she pulled my zipper down. The moment zip is down the cool air entered in my underwear and caused a tingling sensation.She pulled my jeans down. I raised my waist up. No, Need filled me. He was by far the biggest cock I ever had and I wasn't going to be defeated. He kept pushing me forward a tiny bit at a time until Mark's cock head slipped into my throat. Then I slid down his shaft two, three, four then five inches. I stopped there for a moment then pulled back until just the head remained in my throat. I was able to breathe a bit through my nose then slid back down again a bit faster this time. My mouth was stretched so wide.Mark's breathing became labored. My hands frantically run through you hair, nails lightly digging into your scalp with pleasure, resisting the urge to just grab you hair and force your head down onto my cock. You fall to your knees, never letting go of my stone cock. Using your finger nails you circle my wet head, causing me to writhe in bliss. As you move off me your hand moves into a grip and motions down my shaft, twisting as you go. With your other hand you guide my hands and trousers to the floor. I sit up and take my. Unbelievably, Sam had yet to stir. I stumbled out of bed, turned off mylight, and drew Mom into the hallway. I actually "shush'd" her as my mindwas spinning in a frantic attempt to devise a cover story."Come with me!" she commanded and walked down into the kitchen. I closedmy eyes as I continued walking and tried with all my might to "will"myself away. It didn't work. "Sit!" she said taking a seat at the table."How long has this been going on?" were the first words out of her mouth."I trusted.