All characters are over eighteen. Thank you for reading.
I laid on my bed in my post-nut clarity, and felt waves of guilt and regret wash over me. I stared up at the ceiling and tried to slow my breathing down. I had just crossed a big line and ejaculated in my young niece's mouth. It felt amazing, but now I wondered what my friends, coworkers, and the rest of the family would do if they found out. What we did was incestuous. There was no going back now. The sad part was that I wanted more.
I didn't know if it was the hate I had for my brother, or the wrongness of it all that made this one of the most satisfying sexual experiences of my life. I rationalized that I had already come this far with my brother's daughter; I might as well go all the way. I turned my head towards the bathroom where Missy was. Looking at the closed door, I felt a bit of panic. What if she regretted it all? What if I had completely destroyed my relationship with her?
I jumped up and raced to the door. I gently knocked and called out her name, but I couldn't hear anything but running water. I opened the door to see Missy with her back to me, scrubbing her face through the glass shower door. I walked in quickly and slipped into the shower behind her. From behind I started unraveling her pigtails, allowing my fingers to slip through her soft hair. Her body went momentarily still. My fingers slowly combed her scalp, massaging it underneath the falling water.
I became anxious the longer she remained quiet. Before I could figure out what to say to her, she began. "Uncle Mark, do you think my dad will find out what we did?" I sighed heavily. "We have to be really careful. No one can know about this. We must keep this a secret between us," I moved her to face me. "Do you want to keep going?"
She lowered her eyes and looked away. I grabbed her chin with my thumb and forefinger, twisting her face to look at me. "You can tell me. I will love you no matter what you want to do." I held her gaze. "Do you want to stop at what we just did?"
She quietly shook her head, and I smiled in relief. I rested my hands on both sides of her face. I leaned in and kissed her lips, gently tugging on the bottom. I leaned back with her face still in my hands, "Say, 'No, Uncle Mark, I want to keep going'." Missy smirked and gave me an exaggerated puppy dog look as she repeated my words. I turned off the shower water and slapped and squeezed her ass.