That first morning when Jack became a significant part of Jackie, he kept stroking that cock in front of the mirror until the sun shone in through the bedroom window and he heard stirrings from the room behind that mirror. It was Sophia, Jackie's sister, getting out of bed. He could hear her moving about in her room for a little while, probably laying out the clothes she would wear that Saturday and then he heard her door open and close, footsteps moving past Jackie's room towards the bathroom where Sophia would soon be stepping into the shower.

Even though he knew that it was time to become Jackie again, he closed his eyes and conjured up an image he had never quite been able to shake. It was that of Sophia face down in her bed and away from the door with her ass lifted off the bed and two fingers noisily moving in and out of her cunt, deep and fast. His mind then wandered to all those times he had seen Sophia buck naked, like in the shower. Or when she was changing clothes in front of Jackie, her slender body without an ounce of extra fat on it, her shapely ass and legs, from the front her thighs and her clean-shaven crotch formed an almost perfect heart shape. Her breasts were a perfect handful with large bright pink nipples.

Helpless to resist those images, Jack rubbed out one last orgasm, fast and hard, while first hearing Sophia taking her morning pee, flush and then the shower turn on and then off again sometime later. He was so lost in his pleasure that he had no idea if it had been five minutes or half an hour since Sophia entered the bathroom but as he tried to gain control of his breath again he heard the bathroom door open and close again, footsteps passing outside Jackie's door again.

He wasn't caught in flagrante delicto but Jackie had just managed to remove the last remnants of his moustasche and temporarily hidden the RealDoe in her bedside drawer when there was a knock at the door and Sophia's voice asking if she was up. Wrapping herself in her black silk kimono with a handstitched floral pattern, Jackie opened the door and faked a yawn.

Sophia was quite the vision even if she wasn't wearing anything special, short jeans shorts with a plain black camisole top. Her red hair, still damp from the shower, curled down to her the top of those beautiful round breasts.

”Sure, sis. I'll be down for breakfast as soon as I've showered.”

Sophia nodded, content with the answer and headed downstairs. Jackie lingered a few moments to watch her sister's ass sway from side to side. She then closed the door behind her and went into the bathroom. She sat down to pee. After all the orgasms she had had that morning the bladder was full.

As she sat there she noticed the black and red striped panties Sophia had most probably worn for the night. She picked them up and brought them to her face. Yes, they smelled fresh and the scent of her sister sent shivers through her body. For some reason, she wouldn't be able to explain she used them to wipe herself and then brought them with her into the shower and used them to rub out yet another orgasm before washing herself.

---

Two days later Jack was getting ready again.

Jackie's parents had gone to the summer house for the one week when their vacations synched and Sophia was going to spend the day with her boyfriend at his parents' house and the night at a nearby motel. It was their six months anniversary so there was a higher probability to win the jackpot on the lottery than for Sophia to return home before the next morning. He had the whole day and night to himself.

Jackie's breasts were being flattened with a roll of gauze, the mustache came on and last but, of course, far from least, the RealDoe went in. Jack then logged on to the chat of the online community for erotic stories he had created an account for late the previous evening after having gone to bed. He wore nothing but a pair of boxers and a simple t-shirt.

Hi… I'm Jack. Nice to meet all you lovely girls, he typed and got a few smiley faces and hellos back but initially not much more.

While keeping an eye on the chat to see if any interesting topic showed up, he browsed through some image galleries, amazed at just how willing so many girls were to show off their bodies in various states of undress, not that he complained.

For the most part, it was the mature women that did catch his eye. Women old enough to be Jackie's mum. Maybe because it somehow seemed naughtier for these mothers and wives to show themselves off to anyone who wished to look, leaving themselves open to all and any kinds of fantasies.

The one that most caught his eye was a woman who went by the name of RedSally. She was in her late forties but had a truly remarkable curvy body with large but still firm breasts that as far as he could judge were all her own. She was even showing her face in some of the nude selfies, of which the one where she stood in front of a mirror with her free hand between her legs and a look of pleasure on her face was the one Jack liked best.

He was just about to send her a private message to compliment her on her body when a sharp ding alerted him to someone having sent him a request for a private chat. He accepted the request which was from a woman calling herself EbonyMilf.

Hello there Jack, I see you live in the next town from me, the message read and when he checked her profile that was indeed the case and on top of that she was super hot. First of all, her skin was like dark chocolate, like 85% pure chocolate and had a swimmer's body, lean and muscular but still very feminine with small but very nice breasts, not unlike Sophia's in shaper and size.

Hi, he typed and added a smiling face.

Nice to meet you. He added and then returned to browsing her image galley.

There weren't many full nudes but lots of pictures of her in lingerie and some topless, and they were not selfies either so that meant someone else had taken the pictures.

So what are you up to today? She asked and it was obvious she was not looking for just a casual chat about world events or the weather. Why else would she have mentioned the easily commutable distance between them in her opening message?

Not much. Just looking at some pics and rubbing my cock, Jack replied and added a winking face followed by one with the tongue out.

Found anything you like then? She asked and Jack smiled as he figured she was fishing for compliments on her own pictures, and he decided to indulge her.

Yea. You.

Mmmm … Which one is your favourite then?

I really like the one in the bright red bra and panties where you've got one hand casually resting over your crotch and the other brushing against your beautiful lips.

He added a row of smileys with hearts for eyes at the end of that message and was now actually rubbing his cock, rocking it back and forth and letting out a soft moan.

Mhmm … That's a really hot one, she replied after a little while.

I'm actually wearing that right now, she added and even if Jack suspected that was not really true, he didn't care enough to question it. Instead, he asked her if she was rubbing herself too. She said that she was and then to his surprise, asked him if he wanted to watch her. He didn't have to show himself she assured him but she got a kick out of showing herself off to hot young studs.

Sure, he typed back and couldn't believe his luck when the next thing that happened was a request for video popping up on the screen.

He accepted and there she was, wearing the outfit from the picture. She was sitting in an office chair with a window behind her. The blinds were drawn so there was no clue to what part of the next city she was in but it was probably to avoid the neighbours seeing what she was up to on a Monday morning that the blinds were drawn. She was touching her lips and occasionally flicked her tongue at the fingers and occasionally she sucked on the fingers.

”You like my lips, Jack?” she said and her voice was warm and sexy, seductive might be the more accurate word

Very much, Jack wrote back, They're so sexy. I bet you're a great kisser.

”Mmhmm,” she said and slipped her other hand, that up until then had been resting almost as if laying I wait on her lap, up along her belly to her breasts.

”Imagine my lips wrapped around your delicious cock,” she said and Jack moaned out loud enough that it was a good thing no one else was in the house except the two cats, or else anyone would have heard it.

”Fuck yea,” he said to himself in a voice that in the heat of the moment forgot that it wasn't Jackie speaking out loud and then he typed the exact same phrase into the chat window.

EbonyMilf disappeared partially from the screen and returned moments later with a large cock-shaped dildo of approximately the same colour as the RealDoe Jack was now tugging on quite vigorously, working his way towards his first orgasm of the day. She ran her tongue along the shaft seductively and then gave the head a gently, loving kiss, as if she was teasing a real cock.

How big is it? Jack asked.

”Ten inches,” she replied in that soft seductive voice, winked at him and slipped it between her lips.

Sweet holy mother of fuck, Jack thought to himself, that is so hot.

Wish that was mine, he typed and then let out a long groan as that orgasm hit him.

He closed his eyes momentarily to savour the orgasm to its fullest and when he opened them again a few seconds later he couldn't believe his eyes. She had that dildo more than halfway into her mouth and was still pushing it deeper. Was she actually going to take all of it in her mouth? His left hand quickly grabbed the FeelDoe again and started stroking. Right from the first tug, it was obvious he wouldn't last long before being overwhelmed by a second orgasm.

When she did pull the dildo out slowly it was covered in a thick layer of saliva and she smiled into the camera.

”Has a girl ever done that to you, Jack?” she said and as if she could also see him. He shook his head but fuck how he wanted it to happen. Those thick luscious lips wrapped around his RealDoe cock, pushing down until he felt her nose against his pubic bone.

I'm cumming again, he typed and then he did.

”Good boy,” EbonyMilf said and winked at him again.

The next thing he saw was her pulling her red lace panties aside and slowly pushing that dildo into her wet cunt and start to fuck herself with it. Pounding her cunt hard and deep with both hands on the dildo as if she was stabbing herself over and over. From that moment on, she didn't speak.

It was all just guttural noises, moans and little cries of pleasure until she let out a long groan and her belly started to contract, her thighs started to tremble. Her head was thrown back and when about a minute later when she pulled the dildo out a small amount of clear liquid gushed out of her.

Barely out of his second orgasm, a third one hit and this one hit hard. In fact, it hit so hard that the same kind of clear liquid gushed out of the part that was Jackie, not Jack, but in his mind, it didn't matter. He had squirted and that was what mattered.

Seconds later, she said she had to go and the video cut out. Jack was left alone on Jackie's bed messy and confused. He barely had any concept of what had just happened to him. All he knew was that whatever it was it had blown his mind and he could easily see himself getting addicted to it.

He waited about five minutes for some kind of message from EbonyMilf but none came and a bit disappointed by the thought that perhaps he wouldn't hear from her again, he got up and decided to shower before getting dressed.