That day, I felt her heel on the other foot moving gently over my crotch, but I ignored it as she may have wiggled a bit in response to my rubbing. But when it happened, again and again, I knew it was a bit more than a wiggle, especially when she was getting progressively more aggressive. I assumed that she was not normal and wasn’t in control of herself to know what she was doing at the time. Initially, I behaved as a professional caregiver, not trying to get myself all aroused and all, but as this went on, I secretly began to enjoy it, although I kept asking Christy to stop wiggling her heel on me…
One afternoon, I took her to the living room and sat her on the couch to watch TV, after she gave her medications. Christy surfed channels somewhat monotonously and then asked me to bring the ointment to rub and massage over her scars. I could have given the bottle to her, but knowing that she couldn’t apply the ointment, I sat at the other end of the couch, lifting her legs carefully and placing them over my lap.
I went on applying the ointment on her calf and the side of her leg, just above her knee. Christy let her feet loosely lay on my lap, smiling and thanking Scott (not me) for caring for her. As I went on, her eyes became dim as she was going to fall asleep, but she put her arm against the headrest, bent her right knee, and started rubbing where my cock was with her foot, slowly. I noticed a sudden change in her immediately.
“You always liked when I did this to you, right Scott?” she murmured looking at me with her half-closed eyes. I was stunned at first. I still had her left leg lifted in my hands, rubbing her scar with oil. I just didn’t know what to do. I knew that she was hallucinating and no longer saw me as her brother Randy. But here she was rubbing my crotch with her foot in an erotic fashion. Figuring Christy would stop rubbing my crotch soon, again I paid attention to applying oil and rubbing down her scars, but her rubbing only became more intense and deliberate enough to stir my cock.
I glanced at her glorious high-arched, smooth wrinkled sole with pink skin glistened side along the length of her foot that caressed my crotch as the base of her toes moved up and down, feeling unknown guilt, but I was clueless as to what to do. The only thing that I knew was that she was getting my cock to rise, tenting under my pants.
“I know you like me playing footsie right Scott? Why are you keeping your dick inside? Don’t you like my feet anymore” she whined as my cock pulsed.
Ignoring Christy’s comments, I took more oil in my hand and applied them to her outer thigh, which was visible. My sister sighed and then bent her knee down, placing it to join her other foot that rubbed my crotch.
“Take it out. I want to feel it” she said widening her eyes. By that time, I was fully hard, and my cock was aching being in the confinement of my pants. I stared at her as I reached further up her thigh, even though I didn’t have to apply the ointment that far high on her legs and continued to treat her medically, but she stared and smiled. “Get it out Scott,” she said again lifting her chin to gesture.
My heart thumped, my cock throbbed, and I did the unthinkable. Even now, I have no idea how I got the courage to unzip my pants and let my cock out. Knowing what she was up to, I applied oil to her feet and checked her face. Christy smiled, lewdly when she saw my boner. Then her smoothest, sexiest toes and soles just relented to every vein and ridge of my hard cock swiftly, letting me have the pleasure that only Scott may have enjoyed. I watched, open-mouthed as my sister’s beautiful bare feet slid up and down my hard cock, giving me shivers and causing my butt to rise and fall back to the couch involuntarily.
Unable to hide my excitement, I sighed and groaned, massaging her thighs, even becoming bold enough to reach as far as the V of her thighs but refraining from touching her pussy. My sister intensified the tempo with her left foot, using her injured right foot to press my cock against her, smiling from the corner of her mouth and staring at me with a strange look on her face.
Although it was a very short time, it was more pleasurable than I anticipated. Knowing my big sister’s feet were masturbating me added an extraordinary feeling which caused my cock to jerk like never before. And then I shudder as my engorged member intermittently squirts semen all over the tops of her ivory feet. I sighed in relief, and she gave me a naughty smile, before falling asleep right there. That evening when she became normal, she acted as if she had no recollection of what she did with her feet at all.
Strangely enough, I felt as if someone in Christy’s body rubbed my dick with her feet more than my sister Christy.
The next incident happened the very next day. Again, my sister acted normal throughout the morning. Then suddenly she decided that she wanted to go to the spa to do her exercises. During the last few weeks, either Mom or the therapist were the only ones to take her into the spa, but when I asked her to wait till Mom got home, she acted as if she didn’t hear and kept looking for a way to open the back door. I finally gave in and opened the door and took her to the spa.
It didn’t occur to me at the time that she needed her swimsuit to be in the spa until she dropped the loose sundress to the floor by pulling shoulder straps, standing before me in her white undies and a bra. I sighed seeing trouble written all over but couldn’t stop my eyes from gazing over her gorgeous body. Having seen her many times in bikinis, I just couldn’t grasp why she looked sexier in undies and a bra, but she certainly did look stunning.
“Take me in” she demanded pointing to the spa. Not wanting to go in with the denim pants that I had on, I swiftly removed them and helped her into the water, even though I knew she was not together mentally, turned on the heater and jets before helping her into the water.
The water wasn’t as cold as I expected but was not too cold. I saw Christy shiver as she entered the water and again as she sat, but she didn’t complain at first. She acted as if she wasn’t bothered by the water temperature and began to exercise her leg, raising it just above the water and back down. I just couldn’t help but smile seeing her trying to exercise, overcoming the coldness of the water and the pain that it may have caused, trying to straighten her leg and raise it at the same time.
“It’s not funny Scott,” she said looking very normal. She smiled, parted her lips, and winked looking right at me. If she hadn’t called me Scott, I would have thought she was in her normal mental state.
“Stop laughing and come and hold me, please. I am cold” she hummed. She wasn’t kidding. The water was cold enough, although it was rapidly being warmed by the heater. I bowed my back, reaching around her neck, and moved forward pressing my chest against hers, hoping to give her some comfort.
“Not like that Scott” she purred. “Let me sit on you and then you can hold me like the way you had your friend Bernie hold me when we were in Colorado,” she said mocking her face. I was clueless about what she said but didn’t want the situation to get out of hand, I thought the best thing that I could do was to sit and let her sit on my lap like she wanted. No sooner did she sit, than I wrapped my arms around her, just under her cushy breasts to keep her warm, yes in the water.
“You dared me to grind my butt on his dick that day. Did you want to see me doing that? Tell me, Scott, did you want me to fuck your friend, or did you guys want to swap girls?” My sister asked, catching me off-guard. Having thought of Christy as an innocent, yet stunning beauty, I just couldn’t believe my ears that I was hearing my sister had grounded her butt on her former boyfriend’s, friend’s dick while they were at a spa. Thinking again, I decided to play along and said; “No Christy, it was just a joke”
“Oh… that’s what I thought. I know you always liked it when I teased you with my butt, isn’t that right Scott? “she asked in a very seductive voice.
“Yes,” I hesitated as I felt my sister’s butt moving slowly in a rotary motion over my lap. After the last incident where she gave me a foot job, I knew that I had nothing to worry about what she was doing, but it certainly felt awkward having my sister trying to stir up my manhood with her moon of a butt. As my cock began to respond to her butt, I ground my teeth and held her firmly, cuddling her even closer.
When the water was warmed up, so did my cock. It was now poking my sister’s butt crack, but she went at it as best she could, rubbing it with her butt covered with a thin fabric. I contemplated taking my cock out and sticking it under her undies for better traction and comfort but refrained from initiating any action on my part. Enjoyable as it was, I only stopped knowing a few more minutes of pleasurable torture would definitely have me ejaculating inside the spa.
“Why don’t you do your exercises now? It is almost time for lunch” I said reluctantly, getting my sister off my lap.
I stood up in the center, took her foot, and moved it just as I had seen Mom and the therapist do. I only had to hold her foot and let her bend her knee, move her leg, and so on, without much effort on my part. Then, her other foot loosens up. At first, I thought that my public bumped against her knee or a Jetstream hit the area. But when toes on her foot that I wasn’t holding the hook on the waistband of my underwear, I immediately knew what was in my sister’s mind. Needless to say, she didn’t have much difficulty forcing the front of my underwear down far enough to push her toes inside, since, by that time, my hard-on had subsided considerably.
I gasped, held her foot in hand, and debated if I should just take her inside or let her have her way. After a quick moment, I resolved to stay, knowing that she would forget everything when she comes back to her senses.
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