Receiving orders from someone I'd cared about as a little sister for years felt uncomfortable but also exciting.
That doggystyle request fueled my need even more. I gripped her magnificent ass and realized for the first time how big, round, and beautiful it is in comparison to her slim figure.
I was completely absorbed in the moment and stared at it till I heard her voice again: "Do you need any help?" she inquired.
"Not at all," I replied with a laugh. "Just enjoying this beautiful sight."
I grasped my firm cock and gently guided it inside her wet pussy, feeling how her pretty tight pussy wrapped around my cock, which had been on a mission to stretch her well again.
I began to move within her, grabbing her hips and getting as deep as I could. I went from modest strokes to heavy pounding, with my balls hitting her and creating a loud noise throughout the living room. Kim was holding the sofa arm tightly, and we could both feel the sofa move with each thrust.
It seemed that her moans competed with the slapping sound, but a few minutes later it was evident who had won: Kim moved into command mode, shouting deeper and faster, and that she was so close to climax. I was sure we would cum together, but that wasn't the situation.
"Stop moving, baby, and let me finish the job on my own," Kim said commandingly, surprising me by stopping my massive pounding.
Kim took control once I paused, fucking my cock at some angle and at a slow back and forth tempo. The sight of my big cock vanishing in the lovely wet, tight pussy of my sister-in-law is a sight I do not believe can be beaten at any moment in my lifetime.
"Baby, can I take a picture of it, please?"
Kim was so focused on her path to orgasm that she answered from the pleasure world she was in at the time, "Do whatever you want, baby."
I grabbed my phone and got some really close-up images of this doggystyle penetration (to be honest, I still masturbate to them to this day).
But the photoshoot moment was cut short when Kim yelled that she was cumming.
I felt her pussy getting tighter and tighter around my cock, and I let myself go deep and stayed there while her body trembled.
Kim went into long seconds of orgasm, waves of pleasure traveled inside her body, and she kept moving until she remained steady.
"Do you want more of it? My cock is still within." I had to ask because I wasn't sure about Kim's demands.
Kim shushed me: "Let me fix my breath first, and don't you take out your cock yet!"
A few minutes later, after moving slowly back and forth on my cock, she leaned forward, allowing my cock to exit her pussy; I remained rock hard.
"Don't worry, I won't leave you hanging like that, but my pussy is a bit sore, and I'm not that fond of my pussy juice taste, so I can't suck it, but let my hands satisfy you."
She licked my cockhead, spit on it, and began stroking it, but after about a minute, I stopped her. "Sorry, I need my cock properly wet. Only lube will help here, and I prefer to use it for your third hole."
"She looked at me, puzzled and perplexed. "Not wet enough? Third hole? Are you kidding me?” But before she went on ranting, I kissed her passionately. Our tongues collided a few times while probing each other's mouths; we literally ate each other for two minutes, and all I could think about was thrusting my cock into one of her holes and exploding.
"The only solution is probably to go to the shower," she replied, standing up and striding fully nude towards the shower, full of confidence, with those long legs, lovely ass, and brief sexual looks that she kept sending me.
Kim disappeared into the bathroom, and I could hear the water running and wondered why I was still on the sofa.
Even now, years later, the shower we shared remains the hottest I've ever experienced.
I entered the shower; Kim was already soapy and appeared comfortable and cheerful. "I knew it would happen one day, didn't you?" She said while washing herself up.
"Well, I've fantasied about it a lot, but I never thought we were capable of going all the way," I said.
"I knew you'd never make a move, but there's no way in the world you'd be able to stop yourself if I touched you, so it appears I was correct," she laughed, continuing to wash herself.
I was captivated by her body and continued to look at her from head to toe; she was as beautiful as a nymph having a bath, with water and soap all over her most enticing features.
Kim also examined me. She took a good look at my ass, slapped it, and said, "A great ass you got; I bet you had offers in the past from guys, and well, you know what I'm seeing properly for the first time?"
"What?" I asked, slightly concerned.
"Your cock in a complete soft state!" She grabbed my cock by the base and squeezed it hard along its length with her soapy hands. "I assume with that size you don't have any self-confidence in the showers, lol."
I quickly went hard again, and Kim began to stroke it with soap. While toying with my balls, she stated, "I love that you got your private parts totally shaved."
"Me too," I replied, glancing at her hairless pussy.
I let myself run my hands over her body. I cleansed her ass and pussy briefly and was only thinking about fingering her asshole, but I was too bashful to ask.
I split her wet pussy lips and carefully slid two fingers inside while stroking her clitoral area with my thumb. My fingers went in and out while her hand moved up and down my cock.
Kim soon lost her focus and simply held my cock tightly, closed her eyes, and began groaning, her back against the wall.
"Yes, Yes, Yes!" Kim shrieked those words, turning me on even more as I maintained my monotonous rhythm of working her warm, wet pussy.
Kim was trembling, and I could see how her climax was pounding on her door, until the exquisite moment of pleasure finally arrived: "I'm cumming! Again".
Kim sank against me, smiling, with my fingers still within her. I carefully removed them, stared at her, and sucked them. "I don't know what your problem is with your juices, but be sure I'm going to eat you later."