Niki's Descent
Copyright© 2026 by TailWeaver
Chapter 6: Back to School
Incest Sex Story: Chapter 6: Back to School - Niki should have never taken that shortcut through the woods, at least not on the same day she had dared herself to go commando. What happened both shocked and aroused her, and once that path had been trod once, well, you will see just how many times Niki decides to walk that particular type of path. Note - not all codes are the same/available. This was originally published before my great purge, and is part of my cleanup/rewrite - being one of my older stories, it had quite a bit of work done
Caution: This Incest Sex Story contains strong sexual content, including mt/ft Mult Teenagers Coercion Consensual School Sharing Incest Sister InLaws MaleDom Group Sex Anal Sex Exhibitionism Masturbation Voyeurism
It had been a strange morning. Max had woken her early, kissing her neck, and for a moment she had forgotten all that had happened over the long weekend. But as she felt the tug on the choker around her neck, and the way he looked at her sternly as she started walking, she swiftly remembered. Getting down on her hands and knees, crawling, thankful for the carpeting, she followed him as he went to take the dogs out to the backyard. The cool grass tickled her knees as she followed him, blushing as she moved to the middle of the grass. He’d made it clear early on in the weekend that she was like the dogs now; she had to do her peeing outside like a doggy bitch. Not allowed to sit up or rise from her hands and knees, she forced her thighs apart, and sticking her backside low, she began to pee, trying not to get much, if any, onto her legs. She failed, again, and as she sprayed the ground and her thighs, Niki could feel herself blushing as Max smirked at her, peeing in the grass. Cooper, the first of their dogs that Max had let mount her, came over, the clear alpha as he sniffed around the wet cunt of their bitch. Shadow, the German shepherd, wagged his tail as he watched, turning from where he had taken a leak against the large oak. Milo and Filo were too busy nipping at each other’s tails and playing in the morning sun for the moment, but the happy sounds of the dogs rang through the yard as Niki continued to pee, her legs more than a bit damp.
The memories of the last few days came back to her, and Niki recalled how this had all started, being caught with those naughty dogs in the woods near her home. Being caught had led her step-brother to feel a sense of power over her, and before she knew it, she was agreeing to do whatever he wanted. But the really sick part was, deep down, it was making her wet, just remembering.
Cooper’s long tongue soon found its way up her slit as she spread her bitch legs, and as he sampled her juices and her droplets of pee, she felt herself getting wet all over again. Crouched in the early morning sunlight, hoping no neighbors would peek over the fence, Niki’s naked body shivered as the long tongue lathed across her sex, sucking up her juices, and cleaning her thighs and her sex.
With an excited yelp and a sudden jump, Niki felt Cooper’s large cock darting, spearing, trying to find its way inside of her. His claws pulled at her skin, and she winced a bit, sure that the scratches would be evident if she was not careful. She looked over at Max, unsure if they had time, but he only nodded, tapping his watch. “Hurry up. You do have school again today!” As if she wanted this. As if she were the instigator. As if she were the one who wanted to have a quick doggy fuck before school.
Groaning, she bowed her head, and lifting her hips a bit, suddenly felt Cooper’s cock spear inside of her. Rapidly, his furry hips pistoned his long red prick inside of her. The rapid pace of his thrusting soon had her face in the grass, panting, her hips high and open, as she let the beast have its way. Over and over, he slammed into her until, with a series of yelps, he swiftly filled her abused cunt with his juice. His knot swelled, stretching her so big as he was held inside, the long shaft quivering, spending, coating her insides with his watery, yellowish cum.
“Niki Niki Niki, what am I to do with you? You’d better hope you two loosen soon, you will be so late,” her step-brother said, reaching down and unhooking her leash. “Meet me in your room, and no shower ... You are going to school like that -- filled with doggie cum. Maybe everyone in school will find out. Then we don’t have to hide your obsession anymore! Wouldn’t that be great?” he asked, mockingly, watching her face turn red, as her shame mounted.
A couple of minutes passed, and the other dogs came over to sniff her, licking her face, before wandering off, bored. As Cooper finally disengaged, she could feel her full quim leaking. She slowly made her way to the house and up to her room, her mind a bit lost in her submission. The other dogs followed her in as well, going to their filled bowls of food, chomping eagerly.
Max had laid out a skirt, bra, and a tight crop top for her to wear. She looked for some panties, but not finding any, went to her drawer to get some. As she stood up to look inside the drawer, he came by, and seeing her action, stopped her. “No. Not needed, you know that. Besides, we want everyone to smell you ... slut that you are...”. Shuddering, she put the panties back, dressed as requested, went to the bathroom, and within a few minutes had her hair combed, pulled back into a ponytail, and her light makeup and lip balm applied to her pretty features.
Walking now, the rules still unclear to her, but she knew that when dressing for school, she had to be somewhat human. Niki went to the kitchen, grabbing a banana and some fruit juice. The boys all gathered around her, sniffing, licking at her ankles, her knees, even higher, as she stood there trying to keep her skirt down, blushing at their antics. Max arrived and, shooing the dogs away, saved her from another ‘session’. “I know, boys, but your bitch has to go to school. You will have to wait until she gets home; we have to get going”. Shooing them back towards her room, closing the door so they did not trash their house while they were gone, the two siblings headed off to school.
“If anyone asks, the choker is from your step-brother, feel free to tell them why!” he joked, teasing her, as he turned down the street heading across the neighborhood to the school. ‘Lift up that skirt, show me your slutty cunt while you play with it until we get there. It should be all soupy. I want it fermenting in there, dripping onto your thighs...”
Niki could feel her arousal rampaging as his demeaning words seared into her brain, and as she complied, she felt her slowly banked fires begin to heat up again. Her clit ached to be touched. Lifting her skirt, turning so he could see, she ran her finger around her clit, moaning a bit, before dipping a finger inside of herself, coming back out coated in cum.
“Good ... good ... you really are a slut ... I am so glad I found you in the woods and found out your true nature ... we are going to have so much fun... ‘
Arriving at school, she stopped touching herself, startled, looking around nervously; no one seemed to notice. Except ... well ... those three boys were looking over at their car, as if they had seen something as they passed by.
“Pick you up at 3. Hope you have a ‘good’ day! Max called after her as she left the car, holding her bag close to her chest, and walking carefully, not wanting her skirt to fly up and expose her secrets.
Morning passed, and just before lunch, she had PE. Changing into her ugly school exercise clothes, she heard some girls whispering, stopping as she turned to look at them. Pulling on her shirt, she realized that her sides and portions of her back were covered in scratches. As she slid her shorts on over her bare bottom, she watched three of her classmates coming over, led by Steph, her part-time friend. “Wow ... Niki ... you get in a fight? You are all scratched up ... and ... what’s with the underwear? Forget it this morning?? Slut...” she said, turning to her friends and laughing.
By the time class was over, and they were in the showers, Niki could see all the girls pointing, talking, making rude noises, or laughing as they went about their business. Niki wanted to just hurry, get through this, and go to lunch - planning on grabbing a sandwich to go, and sitting in the park next door.
Walking the halls, it seemed like everyone got quiet as she walked by on her way to the cafeteria, only to begin speaking again as she passed. “Yes ... and she was playing with herself in the car!” she heard a boy whisper loudly as she passed, her face flushing. “Slut is not wearing panties, I heard. We should check!!” she heard from another group of kids as she reached the cafeteria.
Cyndi showed up, her eyes darting around, as if embarrassed to be with her. “Hey!”
Niki smiled, glad to see her friend. “Hi Cyn! Where have you been? Thought I’d see you before PhysEd.”
Cyndi pulled her aside, looking around. “What is going on with you? People are talking ... and saying a lot of ... bad stuff...”
Niki was at a loss; she was not sure what to say, or even how to say anything about what had happened to her, nor why folks might be saying stuff. “I dunno,” she lied. “Maybe Sam told stories, you know, he was pissed that I would not, you know, give him a blow job after the movie. He’s such a jerk...”
Niki glanced at Cyndi while she looked her over. She seemed unconvinced, and Niki quailed, unsure how to make things ok. Cyn was her best friend, and she was not used to keeping anything from her. But there was no way she could ever tell what had happened to her since Thursday. Maybe some of it - obliquely, and without saying who - but no details. And no ... walks in the woods.
“Ooooh, nice choker, or, um, collar. It’s so, well, kinda different, ain’t it?” she asked, noticing it for the first time. “Where’d you get it?”
“Um ... Max actually ... he saw me looking at some other collars, and I guess he thought that I would look good in one. I tried to talk him out of it, but...” she said, shrugging her shoulders.
“Wow ... that’s ... hmm, odd ... kinda ... he generally ignores you to the point of being rude!” her friend noted, before joining Niki in line. The two of them grabbed a to-go pack and headed to the open space (park) next to the school grounds proper. Finding their usual spot beneath a tree, the two girls sat and began to eat.
Making small talk as they ate their lunch, Cyndi saw the scratches on Niki’s side as she sat forward once, her shirt pulling up from her hips. “Niki ... um ... you are all red and scratched ... are you really ok?” she asked worriedly, some of the scratches looked painful.
Blushing, Niki sat back, pulling her shirt down, before reassuring her friend. “Yeah, I think Cooper got a bit rambunctious on Saturday. I somehow ended up in a dog pile before I got him to let me up”. Again, she lied, not that she wanted to lie to her friend, but there was NO way she could ever tell the truth.
Satisfied, Cyndi tucked into her food before getting up after a bit. “I have to help Ms. Cushings in the Bio lab before the next class, you know, the extra credit thing. See you maybe, after school? We can do something??”
“Maybe, depends on homework ... and Max ... the ‘rents are gone, he’s in charge. But maybe the mall or something...”
Settling back, alone now, Niki wondered if she was going to lose her friend. She knew that people were talking, and it was obvious someone had seen her in the car this morning and then in the shower. Everyone likely knew she had nothing on under her skirt. There were three boys playing some stupid game with rocks nearby, laughing and pointing at her. When a group of girls walked by, ostensibly ignoring her, before passing by her resting spot, sniffing loudly as if they smelled something foul, she decided to just ignore them all. What other choice did she have?
Closing her eyes, leaning back against the tree for a moment, she tried to relax. Her mind went back to this morning, and the casual way in which she had been so blatantly used by Cooper. It was nothing compared to the wild pack attacks the days before, but somehow, it happened so ‘normal’ like, made it all the more disturbing.
Opening her eyes and spotting a big retriever working its way through the bushes along the edge of the park, not too far from her spot, Niki’s mind wandered. She was watching the dog, remembering the time in the woods. It had caused such a change; everything was different now. Though she tried to deny it, she began to fantasize again, and she felt her body react. Shit! She was getting wet, just from sitting against the tree, watching the dog sniffing around the bushes nearby
She wondered where its owner was and whether anyone would get it. Dogs were not allowed on school property or even in the park next to it, except on a leash. The kids nearby, playing some silly game on their handhelds, looked up, watching her, having heard the rumors. Giggling and pointing at the dog, she could hear them laughing, no doubt, making fun of her.
The dog moved nearer, and it took all of Niki’s willpower not to reach down and touch herself. The last two days, at home with her step-brother, had somehow flipped a switch in her brain. All she could do was think about sex, it seemed. And not just that, but about being taken like a bitch ... she felt so ... used...
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