THWACK!!
“Ungh! Shhh…!” Aunt Sheen grunted and hissed at the sudden slap on her soft, large buttocks from behind. I just couldn’t ignore that feeling anymore. Even though Aunt Sheen and I had a pretty open and wild sexual relationship there were still times when I only wanted to feel her mature bubble butt jiggle and spank it as much as I liked. I kept this instinct at bay all the time because I didn’t know if Aunt Sheen was into it. However, now that Aunt Sheen had confessed her wish and willingness to be a submissive sex partner I knew she wanted the limits pushed even farther.
The feel of her soft, large ass cheek against my palm seemed to have sent an electric shot down my spine which energized my dick. I distinctively felt it rise from its slumber.
“Lie down. On your back.” I said and pointed to the bed from behind her.
Aunt Sheen didn’t waste time and quickly climbed over on the bed. She lay down on her back exactly in the middle. Aunt Sheen looked straight up at the ceiling but had a smile playing on her lips.
“Spread your legs and arms, slut.” I said in a firm voice.
Aunt Sheen immediately complied. I watched as she immediately spread-eagled her arms and legs. I smiled wide as I walked to the foot of her bed. I watched her dark, mature pussy lips were glistening with water. I knew she must have become very wet since we were fooling around from a couple of hours. The darks patch on her dressing table seat left me in no doubt that Aunt Sheen was extremely wet when getting face-fucked earlier on. She had obviously washed her pussy in the bathroom when she was mending her makeup.
I dropped the bunch of coiled ropes on the bed. I picked one up and uncoiled it before walking over to the left side. I removed my gaze from Aunt Sheen’s mature cunt and looked over at her face to find her looking back at me with a wide smile. She seemed pleased that the sight of her mature but hairless and tight cunt could still arouse her young nephew. I smiled wider as I bent down at the waist and reached out for her right foot. Aunt Sheen stretched her foot eagerly towards me. I quickly made a slipknot at one end and wrapped her ankle. I took the other end of the rope and pulled slowly but firmly towards me. I noticed Aunt Sheen’s lovely, shapely legs stretch and the contours of her thigh become more distinct. I wrapped the remaining rope a couple of times around the thick, wooden bedpost before securing it with a simple double-knot.
My confidence increased even further at this and I immediately walked over to the other side of the foot of her bed. I repeated the same thing with her left leg and now Aunt Sheen’s thick, dark legs were spread wide apart and tied firmly to her bedposts. Aunt Sheen’s eye followed my every movement and she smiled and nodded eagerly every time I looked at her. I grabbed another coil of rope and moved to the top of the bed. Aunt Sheen co-operated perfectly and stretched out her left hand for me. I made sure her wrist was wrapped twice with the slipknot before tying the other end to the bedpost. I quickly moved on to the other end of the bed and promptly tied her right hand to the bedpost too.
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