"The pin code works." Mer said and pushed open the door. They walked in, a semi struggling girl with them, a hood over her head, and a gag in her mouth.

"Boss, this place is the bomb!" Brit said excitedly. She looked around, then focused on the girl. "What are our instructions on what to do with her, boss?" She pushed the door closed and pulled off the girl's hood. She looked terrified.

"Leen. Bring the box." Leen went outside, and brought the box to a table. She opened it and whistled. "What?" Leen took out a sheet.

"Listen. The girl is ours to do with as we please." Some of the girls looked at her intently. "The tools are to be used however we wish." She pulled out a strap on harness, a smaller box with pop on dildos, a whip, some cuffs, and a dog collar with electronics attached.

"Wow. How did the boss know?" Brit said and looked at the tied up girl with anticipation.

"Listen up. The collar is for us once we break her in. If she pleases us, we can collar her, and keep her. If she doesn't, we can dispose of her." Leen smirked. "Damn, the boss is even giving us a pet too." Mer grinned.

"Alright, girls. Get set up. Me and Leen will start, Brit, you join in. Kata and Corrie, second shift. We've wanted one of our own for a bit. Time to make proper use of her."  Mer said with a hungry look at Jenni.

Jenni was terrified. She didn't know what they meant, but after all the gang put on the strap-ons, all she wanted to do was escape. However, her clothes were ripped off, she was thrown down, and roughly penetrated.

For that point on, she couldn't hide her true nature that she always kept buried. Brit smirked as she pushed the dildo in dry, and though the girl grunted, it wasn't long before she started to respond.

"Oh yeah, fuck me! Harder, fuck me harder!" Brit grinned.

"You heard her, Leen. I'll move to the bottom, and you take the top. I know how you love asses." Brit switched, laid down, had Jenni moved on top of her, so she pushed it within her from underneath.

Brit watched as Jenni grunted and moaned, and pushed back against Leen as she fucked her roughly, mostly so she could increase the force. Brit gripped her breasts, while Mer grabbed the whip and started to strike her back, and upper part of her cheeks.

"Oh fuck, if only I'd known you girls earlier! Damn, I'm gonna blow!"

* * *

"Boss." Leen came over and tapped her foot.

"How is she doing?" Mer asked and stood up to stretch.

"She's still into it. We flipped her over, whipped her while the girls fucked her, and did it until her belly and tits turned red, but she still keeps cumming. A real slut that one is." Leen said with a smirk.

"Did you do double anal yet?" Mer said.

"Double pussy, and ass, but she's too sore to whip for fun now. Just ruins the fun when she's crying and covering up." Leen said and snorted.

"Then don't. She's our pet now. Let's do double pussy and double anal, and see if she can take it. If she can, we'll slap the collar on her, and let her rest." Mer walked over. "How's she doing?"

"She going, boss." Brit said. "I'm losing a bit of steam, but all I want to do is see her blow."

"Take a rest. We're going at her double anal double pussy. Who wants to help out?" Mer said. Brit grinned.

"I'm on my second wind!" Kata laid beside her and pushed it in alongside Brit's. Leen laid down on her right, and pushed it in. Finally, Mer knelt behind her, and forced hers in. Jenni reared back.

"Oh fuck!" She cried out. "Give it to me, so damned good! Fuck me!" Brit licked her lips.

"Looks like we get to keep our pet."

* * *

"This looks painful, Mer." Brit said as she picked up the collar. She looked down at Jenni, who was still being fucked relentlessly by her friends. Mer nodded, but for some reason, she felt a little bit unwilling. She sighed.

"It's the only way we can keep her, right?" Leen said. "Come. Let's put it on her, and let her rest. Where are the instructions?" Mer handed over the sheet.

"We close it, and push the posts in. It won't kill her, but will guarantee she won't run or it will paralyze her. It will punish her if she doesn't obey." Leen looked at the posts, and how long they were. "Damn, that's an inch long! Any deeper and it would go into her spine!" Mer pursed her lips.

"I think that's the point. By this adjustment, it looks like it will miss her arteries, go into the muscle, but be close to the nerves. Any deeper, it hits the nerves, or even the throat. That could paralyze her ability to breathe." Mer picked up her phone, opened it and sent a message.

"Boss says that it won't damage her, and she can heal. As long as no one tries to tear it off, turn it while engaged, or force her neck to deform, she'll be safe. In the future, if she's pleasing to us, she can exchange it for an 'under the skin' system that will do the same thing." Mer pursed her lips. Leen nodded.

"Let her choose. Die, or try." They walked over. "Kata, let her up. Put her in the chair." Jenni groaned.

"I was so close to another climax."

"It's alright. As long as you pass, you will get fucked a lot more." Mer said. "Tell her." Leen held up the collar.

"You wear this. It will pierce your neck, and lock on. If you try to take it off, it will fry your brain. If you try to run, you'll be punished. If you refuse however," Jenni looked up.

"Can I stay if you put that on?" She asked. Leen stopped her explanation.

"Yes."

"Then put it on."

"It will hurt." Leen said quietly.

"Does that matter? I can stay, right?" Jenni asked. Leen nodded. "Then you'll keep fucking me, right?" Leen smirked.

"Yeah, we'll keep going. Brit. Your pet wants you to put her collar on." Leen held out the collar. Jenni sat up straight. Brit nodded.

"Good girl. I'll make sure to really give it to you good when this is seated." She put the collar around her neck, snapped it into place. She walked around behind her. "Now, pet, these posts will pierce your neck. It will hurt. Stay as still as you can." Jenni nodded.

"I'm ready." Brit put her hands on the posts, braced herself, and pushed.