This is the second part of the story of Simon's slavery. Submission and disgusting fetish sex remains important, but incest becomes a major part of his life. You have been warned.
It had been a week since we discovered that I had successfully made Penelope pregnant (and received a substantial bonus on my bank account). My life still mainly consisted of sex with both sisters - in the bed, or occasionally strapped onto the bench in the atelier, and the only difference was that they tended to make me fuck Stacia first, so I would come inside her while there was still some cum in me.
We had been eating breakfast, and the only thing out of the ordinary was that Stacia had dressed but Penelope had remained naked at breakfast. Usually she always dressed before eating, whereas Stacia sometimes would to remain naked until lunchtime or so, but not today. After breakfast, Penelope led me back into the bedroom for a 69, and kept me there for more than an hour. Eventually, Stacia returned, she was dressed almost formally in a blouse and slacks, it even looked like she had put on a bra.
"It is time," she said as she entered the bedroom.
Penelope sat up, and looked at me.
"We have prepared something nasty for you. Something that you are not going to like at all. But before we reach that part, we have a small task for you that we are sure you are going to enjoy. Come with us."
We walked up the stairs to the atelier, Penelope still as naked as me, Stacia fully dressed. When we entered, a woman was tied to the BDSM cross at the wall. She was completely naked a part from a black hood over her head, tied with a loose ribbon around her neck. Like the sisters she clearly did not shave, her pubic hair was dark brown and her armpits were hairy. Her breasts were large and well-shaped, and her skin was light.
"Your task is to make her come, using only your hands and your mouth," Stacia instructed me.
I approached the tied up woman; she was young, my own age or a bit younger, and she was breathing rapidly as if she was nervous. I began fondling her breasts, then I placed my hand on her pussy while I sucked her nipples. I could feel a beginning humidity in her slit, and her breathing increased. I found her clit, and touched it. She moaned, but her moan was muffled, clearly she was gagged below the hood. When I kissed her sex, she tried to spread her legs a bit more. I took that as an invitation to begin licking her.
She quickly got very wet, and her muffled moaning increased. I groped her breasts a bit more with my left hand, then I concentrated on her pussy. I inserted two fingers, and tried to stimulate her g-spot with my fingers while I sucked her clit. It had a strong effect, she pressed her sex against my mouth, and moaned loudly. Then her body shook as she came.
"Well done," Stacia said. "Now remove her hood, but only the hood."
I untied the loose strap around her neck, and pulled her hood up. I screamed as I saw her face.
"HALEY! What have we done!"
I quickly removed the cloth tied over (and in) her mouth, and pulled out a second piece of cloth from her mouth - they had gagged her with her own panties!
"What do you think you are doing?" Stacia shouted. "I told you to only remove the hood!"
"But it's Haley! It's my sister!"
"I know. I put her there myself. You disobeyed a direct order, this requires a punishment." Stacia sounded strict, there was an edge to her voice I had never heard before. Penelope looked like she enjoyed the show.
"Unfortunately, we are not allowed to whip you, so Haley will have to take the punishment for you. Haley, have you been whipped before."
"No," Haley said. She sounded a bit scared.
"Whipping your front will hurt a lot more than your back, so we will limit it to nine lashes. Three on the thighs, three on the belly, and three on the tits. Do you accept that punishment?"
"I do."
"I would let your brother whip you, if I had any faith in him doing it properly. But I don't, he is too soft. Penelope, give me the whip. Simon, stand at that spot, with your hands behind your back. Do not move as I whip your sister. For every step you take without permission, I'll add one whiplash to her punishment."
I took the required position, and looked at my sister. She looked a bit scared, but also excited. Certainly not resigned. Stacia got ready with a nasty-looking whip. She raised her hand, and the whip hit Haley's thighs with a most unpleasant sound. Haley's body jerked, but she did not cry out.
"One," Stacia said.
She raised her hand again. A red stripe had already appeared on her thighs. The second whiplash hit her, and her body jerked again. Still, no sound escaped her lips.
"Two."
As the third stike hit her, a small whimper was clearly heard, and a tear rolled down her face. Then the fourth whiplash hit her belly, just below the navel.
"Aah!" she screamed.
"Four," Stacia said. "Does it hurt?"
"Yes, very much," Haley replied.
"Blame your brother. Five!"
Haley screamed again. Tears were flowing down her face. The three stripes on her thighs were bright red now, the two on her belly were still lighter. A sixth strike hit her, and she managed to hold back her scream.
Then Stacia took aim, and as she said "seven" Haley screamed loudly.
"You bastard, you hit my nipple!" she shouted as she regained her breath.
"I did, didn't I? I'll try to do it again. Eight!"
Haleys scream was not as loud this time, and the red mark showed that she had been hit an inch or so above the nipples.
"I missed, too bad. Let me try again. Nine!"
Haley screamed again, the whip had hit her areola and perhaps the lower part of her nipple. Nine bright red stripes now decorated her body, and tears were running down her face.
"And what does a woman say when she has been whipped by her mistress?"
"Thank you, Mistress, for whipping me," Haley replied.
"See, Simon, your sister knows how to behave. Penelope, can you please release her?"
Penelope quickly released her legs, and then her wrists.
"Go and give your brother a hug, he needs it. You both need it."
Haley came over and hugged me. I reluctantly put my arms around her body and returned the hug. Hugging your sister is awkward when you are both naked, and it certainly did not help that I had just been eating her out! At least my erection had gone away while she was being whipped.
"Now Haley, let us show you how we are normally treating your brother," Stacia said.
Haley was now smiling again, the stripes were still bright red and had to be hurting, but she looked content with herself. I was led to the usual bench.
"Bend over, Simon."
I obeyed, and Stacia inserted one of the suppositories in my ass.
"This will give him an erection, so we can rape him," Stacia explained. "Get up, Simon!"
I got up on the bench, and they strapped in my legs. Then a belt across my chest to hold me down. Finally two cuffs on my wrists, and they were attached to the side of the bench with carabiners.
The suppository was beginning to take effect, and Penelope helped by giving me a hand job. As soon as I was stiff, she straddled me, and lowered her very wet pussy down over my dick. Penelope began riding me, while Stacia and Haley watched. My sister watched me being fucked!
I was approaching my climax, but then Penelope stopped and got off. "Your turn!"
Haley approached, grabbed my dick and began licking me.
"No, Haley! Don't do that!" I shouted. She did not stop.
"Haley! You are my sister!"
She stopped licking me. "And you already made me come."
With those words she straddled me, and grabbed my dick with one hand so she could guide it to her pussy as she sat down. I felt my dick enter her wet but tight pussy. She began riding me.
"No, Haley, don't do this," I whimpered. She ignored me, and moved rhythmically as she fucked me. Her tits bounced. In spite of my shame, it felt good, her pussy was tighter than both Stacy and Penelope, and she was dripping wet. I had no control over my erection, and could feel an approaching orgasm.
"No Haley, I am coming. Don't make me come inside you, please!"
"Why not?" she said and smiled, "I am on the pill."
Moments later I came. She continued riding me. The medication in my ass would not let my erection down, and she mercilessly continued until she also came. Then she leaned forward and laid down on top of me, kissing me. I gave up resisting and allowed her tongue into my mouth. We made out as lovers, then Penelope and Stacia approached.
They placed cuffs on her ankles and wrists, attached her legs outside mine, and her arms above our heads. She could no longer get off me, not that she tried. In spite of my orgasm, my dick remained stiff like a rod, deep inside her. She kissed me again. I think I cried a bit.
"So, Haley, you originally asked to have your back whipped. But you got a bit of unscheduled whipping before. Do you still want me to whip you while you lie there?"
