Voluntary Darkness: Part III - Cover

Voluntary Darkness: Part III

Copyright© 2026 by Cabrock

Chapter 1

Erotica Sex Story: Chapter 1 - WARNING: much quasi-slavery and BnD. Lesbian grad students experiment psychologically on each other, leading to a kind of voluntary slavery. Suppression of personality is their goal, and such is achieved, though they never originally intended to involve males. Incest experimentation continues in this, Part III.

Caution: This Erotica Sex Story contains strong sexual content, including Ma/Fa   Ma/ft   Fa/Fa   Teenagers   Coercion   Consensual   Hypnosis   Reluctant   Lesbian   BiSexual   Heterosexual   Sharing   Incest   Brother   Father   Daughter   Uncle   Niece   BDSM   DomSub   MaleDom   FemaleDom   Rough   Spanking   Lactation  

“Hey, my girl!” I exclaimed as soon as I met my daughter Mandy at the airport, who quickly jumped into my arms. “Hello, I’m Andie,” the girl behind her said as soon as I finished hugging Mandy. “I’m Frank, pleased to meet you, Andie.” Two beautiful girls to walk with, I told myself as we headed out to the parking lot.

“Your niece, Kathy, coming later today?” Andie asked as we walked.

“Ah, tomorrow,” I replied, thinking now of the convincing phone calls I’d had to make to my sister-in-law, Kathy’s mother, to assure her that Kathy was being placed in good hands. It would be good for the girl to get away from her mom, if nothing else. Her dad was another story, a very sad one that I cared not to think about. Mandy was being very quiet, I noticed, but attentive. She insisted on getting in the backseat with me, and we cuddled a little as Andie drove.

“I miss you daddy,” Mandy declared with a tear in her eye as she nestled her face in my chest. I found her more beautiful than I remembered as I rubbed her back; a little surprised to discover she wasn’t wearing a bra. College girls! I couldn’t help but peek now between the bucket seats to see if Andie’s knockers were in similar neglect. They were, I assured myself.

“We going to the hotel?” I asked of Andie as my daughter went quiet. “She wants you to see the house first, I think,” Andie replied as our eyes met in the rearview window. “Ok,” I shrugged, not really caring that much, this as Mandy hugged me even tighter. The flight had only been about two hours, so I really wasn’t that tired and looked forward to seeing where my daughter had lived for the past two years. A tinge of guilt hit me as I realized that perhaps I should have visited her here at the university before now. I decided to blame my ex and to let the thought drop.

“So, tell me about Kathy,” Andie said with another look at me in the mirror; this time with a wink.

“Ahhh,” I stuttered, wondering exactly what the wink meant, “ ... She’s a little troubled ... salvageable though. Not much of student, so don’t expect much there. If you keep her happy ... and here abouts ... my family will thank you endlessly,” I added with a chuckle.

“We can handle her,” Andie declared with sexy smile at me this time, “ ... just like Mandy! A firm hand, a strong lock ... and lots of mind fucks.” I could tell now that Andie was trying to get a little rise out of me, which I kind of liked; I’m old, but not that old. “Did you spank her much?” Andie then asked with a smirk. I found this rather open conversation oddly titillating.

“You mean Mandy or Kathy?” I chuckled, starting to get into this flirting now; if that’s what it actually was.

“Mmm,” Mandy groaned with her face practically in my armpit now, “Daddies should spank more,” Mandy pouted.

“Now there’s an invitation if I’ve ever heard one,” Andie called as she turned to look at the two of us for a second.

“I was amiss,” I replied sarcastically.

“Mmm,” Mandy groaned, a little louder, “ ... I mean it, daddy ... I want you to spank me sometimes...”

What-the-fuck, I said to myself as I shook my head a little, she could have at least waited for us to be alone before teasing me like this. “I’ll spank any pretty girl,” I declared as I suppressed a smile, “You up for it, Andie?” I dared to flirt as I leaned forward.

“Noo ... sorry! But I’d love to watch—she has a beautiful butt ... responses well to a paddle.”

“Ah,” I chuckled, wondering now if I was going to pay a price for this kinky conversation. “Is that what you girls do after your nightly pillow fights?” I joked, getting another groan of disapproval from my daughter. “I want to feel your hand, daddy...” After hearing this I found myself staring into the mirror as Andie stared back, seeming to dare me to say ok.

“I’ll do it hard!” I promised in a gruff voice, willing to play along further. “I want you to make me cry...” Mandy said softly, “ ... it relieves stress...” This admission blew my mind as it sounded very sincere; maybe too sincere for a divorced father to hear. Fuck, if my dick wasn’t getting hard now! Best turn my attention back to this foxy girl driving the car, I told myself. The problem with simply doing that was the fact my daughter’s forearm was resting right across my lap; think of an ice bath, I told myself.

“She’s very pliable after a good cry,” Andie volunteered, “It’s usually her fault ... or she thinks it is ... not much padding on her butt ... very sexy though...”

Christ! What the hell was I supposed to say to that info. Mandy squeezed me even more, and I thought maybe her elbow was now aware of my growing hardon. I gently slid her arm a bit toward my knees, but then she quickly moved it back. After jiggling her elbow a few times over my dick, I became convinced she knew the state of my arousal. What was a dad to do!

“Do you want it now, because I can feel you molesting your poor dad?” I told my daughter. She dug in her elbow hard this time, causing me to flinch and byte my lip to prevent myself from scolding her more. “Do it!” Andie cheered, “She’s not going to stop.”

“Ok,” I said in a defeatist tone as I forced my daughter down across my lap, realizing now that she didn’t have her seatbelt on. Reason enough, I told myself as I smacked her miniskirt covered ass hard. “Put your damn seatbelt on,” I said angrily, “I’m not joking ... I’ll really spank you!” She thrust her hips up and down in response. I really was starting to get annoyed now.

Smack! Smack! Smack! “Enough?” I asked as I paused. Again, she thrust down on my dick several times. “Pull her skirt up so she feels it,” Andie suggested. Turns out I didn’t have to as Andie reached back between the bucket seats and did it for me. “Girl!” I said angrily in disbelief when I saw Mandy wasn’t wearing any panties, “Is this how all you girls dress now?”

“Oh, that deserves serious punishment!” Andie called out as she dared to reach back again to lay one loud blow on Mandy’s naked ass. SMACK! This got a wail out of my daughter, making my dick even harder. SMACK! SMACK! I matched Andie’s blow with those of my own, not once getting any objections from either of them. Was she crying now?

“Enough,” I said gently down to my prone daughter as I pulled her up and made her put on her seatbelt. As she sat up, she pressed a hand into my crotch, so there was no doubt in my mind now that she knew I was very aroused at this type of play. Her face looked a little red now, and I there was no shame there, only a slight smirk. “Mmmm!” I growled in frustration as I hugged her close.

“Stay with me tonight, daddy,” she whispered.


There was a little welcoming party for us when we got to the house, composed of scantly dressed girls, all sexy and perky I thought. The girl Penny was real looker to say the least, and I got the impression she was hooked up with one of the others, Sherel, who did most of the talking I noticed. “Can I move in here?” I teased my daughter as we walked into her bedroom, followed by Sherel and a distant Penny.

“Find out how much he cums,” I thought I heard Sherel whisper to Mandy, who simply nodded her head slightly in response. Must be out of context, I told myself as I looked around this small bedroom, while trying to figure out what really had been said behind my back. Mandy’s room seemed like any other college student’s room to me and was neat and clean. When Andie rolled in my suitcase, I found myself wondering how I was going to get to the hotel. Sherel leaned against the doorway now, giving off vibes of disapproval for some unknown reason; at least toward me.

“Not that red,” I heard Sherel declare softly in response to something Andie had whispered, this while Sherel lifted Mandy’s skirt up, just enough to expose half my daughter’s ass check. The peek was over in a flash, leaving me wondering if it had been some kind of faux pas move on Sherel’s part. Was I the only one who had noticed? Nobody else seemed to be acknowledging it had even happened. “Can you stay here tonight, daddy,” Mandy pleaded as soon as the other girls had left the room.

“What—with all these sexy girls!” I joked as I continued to think about the bit of sexy ass I’d just witnessed. “Yeah,” she said as she turned away from me and leaned up against the bed a little. She could twist the mind of a lot of men with that posture; I told myself as she ever so slightly arched her back. “Where you going to sleep—because your old dad isn’t sleeping on a couch? Not when there’s a hotel room waiting him.”

“Daddy,” she pouted while continuing to look away, “we can both fit in here.”

“Umm, not appropriate maybe...” I suggested carefully, trying now to lower her expectations concerning me spending the night. She continued to pout silently, and I got the distinction impression she was about to object vigorously to me leaving for the hotel. What came next nearly floored me. “You can’t finish spanking me if you leave,” she practically purred.

“I wish...” I began to say but then stopped, flabbergasted as she hiked her miniskirt above her waist and lowered her head submissively. “ ... ok...” I said as I approached her, feeling like I should at least pull her skirt back down in protest. Before I could, she knelt over the bed with her knees nearly on the floor now and her naked ass pointing right at me. The most beautiful puffy pussy was now peeking out between her gorgeous thighs. SMACK! “Stop that!” I growled after swatting her butt hard.

“AHH!” she squeaked, but other than that, just lay there with her face buried in the bedspread. SMACK! I gave her another swap with my open hand; same result. SMACK! This third one caused me to look over my shoulder at the door, wondering if this could be heard by anyone else. SMACK! SMACK! I was going to win this battle of wills, I assured myself. SMACK! SMACK! SMACK! My hand began to sting painfully now, and her ass was reddening considerably.

“Enough,” I finally announced as I grabbed her hips in an attempt to force her to her feet. Instead, I was just helping her to come up on all fours now. Before I could think to do anything else, she pulled up her T-shirt, confirming what I already knew, which was that she wore no bra. SMACK! This one I really laid into her naughty ass.

“Ahuh-ahh!” she wailed in obvious pain, sinking her face down now to bite hold of the bedspread. “Fine,” I breathed as I got ready to spank her even harder. I admired my red handprints on her perfectly tanned ass-cheek as I maneuvered around her, so I could make the other cheek match. SMACK! SMACK! Grinning now as I decided to switch to my left hand, I began to wonder how much she could take. SMACK! SMACK! Muffled cries came from her self-gagged mouth, and I could tell she was nearing the breaking point; or so I thought.

“Ten more is coming,” I panted down at her in warning, getting only a slight nod from her in response. SMACK! SMACK! “Count damn it,” I barked at her. Muffled counts followed as I worked my way up to ten. “That’s got to hurt,” I announced as I stepped back and shook my stinging hands. She was wiggling her ass about, clearing trying to lessen her own stinging pain. “You want more?” I huffed a I stared at her curling, glistening pussy lips, displaying the obvious fact she was as aroused as I was. In response, she blatantly wiggled her ass at me as she continued to bury her face in the sheets.

Her pussy was shaven as was her ass-crack I suspected. The redness, I caused to her ass was now accenting what I suspected were welts of some kind. “Are you into S&M?” I asked with concern, getting now a muffled yes in response. “Fuck!” I whispered as I dared to reach out and run my fingers over some of the fading welts. She flinched a bit at first, then seemed to be enjoying my touch. SMACK! This last one was an impulse. My cock was so hard now! She wanted this so badly I assured myself, as I battled the impulse to spank her again.

SMACK! “Tell me when you can’t take any more!” I demanded of her. SMACK! “NNNN!” she yelled into the bed, causing me once again to glance at the door, which I quickly moved to lock. SMACK! “God you’re into this!” I exclaimed in disbelief as I paused for a minute to admire my work, wondering where I should go from here. Occasionally, she wiggled her butt at me as I stood back, leaning against the dresser. “What else do people do to you?” I asked eventually, which got nothing but a shake of the head as she continued to chew on the bedspread.

“Hurt?” I asked as I stepped close again so I could rub her ass, realizing then that it was a stupid question, but she did nod her head several times. “You ... you want me to do something more?” I stammered out as guilt for even daring to ask washed over me. Her muffled reply and nod sent me into a temporary state of ecstasy. Almost imperceptibly, at least I hoped, I brushed the back of my hand across her puffy pussy lips, just to see what she would do. She only had herself to blame for me going this far!


I’d rolled my unresponsive daughter over onto her side, with her pussy still exposed, eventually tossing a blanket over her out of guilt. It was late in the day by this point, so I kicked off my shoes and then struggled to decide if I should take my pants off as well. “Umm,” I grumbled to myself as I slid them off, deciding then to keep my T-shirt on, and of course my boxers. Crawling onto the bed beside her, after turning off the lights, I then lay in the dark staring up at the dim blinking light on the smoke detector mounted above us. Still, she hadn’t moved much.

I turned on the small lamp on the nightstand so I could find my phone, finding a recent message from my niece, Kathy, on it about how excited she was for us to meet at the airport tomorrow. I smiled at the thought, then scrolled around a bit before deciding to finally go to sleep, but before I did, I couldn’t resist peeling back the blanket covering my daughter’s gorgeous ass. Yep, still mostly naked I told myself as I reflexively began fondling my cock through my boxers. The lamp was on a dim setting, so Mandy seemed unbothered by the light.

“Whew,” I breathed out softly as I stuck my hand under the waistband, then started jerking-off slowly. I went so far as to adjust my pillow so I could more comfortably gaze at her loveliness, occasionally glancing at the back of her head to assure myself she wasn’t aware of what I was doing. Daring to flop my cock free, I next started stroking it in earnest, practically whimpering now in excitement as I approached climax. She’d understand, I kept telling myself.

“Ughhhh!” I huffed, louder than intended as I flexed my hip toward her so my cum shot across the cheek of her ass. It was a big orgasm for me and so for a moment I lost all sense of perspective, wiping every oozing drop now just above her pussy. Moments later, with some post-nut-clarity creeping into my brain, I began frantically looking around for a box of tissues. Maybe she wouldn’t catch me, I prayed as I settled for one of my nearby socks.

“Mmm,” she cooed as I smeared my cum about. I slept well, all things considered, that is until dawn when my daughter crawled on top of me, waking me up. I reflexively grabbed her hips, finding then that she had stripped off her clothes. Humping my boxers now, she kept mewing softly as I felt her hand sliding into my shorts, “Daddy ... ahhh ... daddy ... ohhh...” My dick then popped out with her help, leaving me with a big decision to make, particularly when I felt her grasp it. “Baby,” I whispered in the growing light, “you sure about this?”

 
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