Still covered in her goodbye sperm from Omega Nu, Caitlin waited tied up in the backseat of Grace's truck as Grace took her back to her house. It had been roughly three months since her first night at Omega Nu and she was happy to be out of there. All the clothing she currently had on was the choker they had given her.
However, Grace still instilled a terrible fear inside her. Caitlin felt sick thinking about what Grace would do to her. She had not had a chance to punish her for any of her behavior since the night Caitlin had fucked her for the first and only time.
Grace kept looking at the backseat, her eyes filled with lust. Caitlin felt like she was being fed on a silver platter to a hungry wolf.
"Did they hurt you permanently at all? Are you hungry?" Grace asked. Grace did not sound like she cared about Caitlin; she sounded like a farmer asking about a cow before buying it.
"They definitely hurt me, but it shouldn't be anything I won't recover from," Caitlin responded. She was even more worried by Grace asking about her than if she had just ignored Caitlin in the backseat. "As for food, I haven't eaten today, so I am pretty hungry." For some reason, she thought being honest was a good idea for these questions. She could not imagine Grace doing anything bad to her for being hungry. Even if it was just because Grace wanted her fuckmeat in prime condition, she did have to care about Caitlin's wellbeing.
The drive seemed to go on for an eternity but eventually they made it to Grace's house. Caitlin was still naked and helpless as Grace got out and opened the door to the backseat. Grace picked Caitlin up, slung her over her shoulder in broad daylight, spanked her ass and brought the naked, sperm-covered blonde into the house. Two of Grace's neighbors gave them a strange look. Caitlin watched the outside world leave her as Grace walked through the door, before shutting it. Caitlin felt cornered.
Grace undid the hogtie trapping Caitlin and let her walk.
"There's a plate of lasagna on the table. Help yourself to it," Grace told her. Caitlin was worried. It reminded her of the day she became Grace's sex slave. Grace had drugged her using a bottle of water. However, her stomach's grumbling seemed more important. If Grace wanted to rape Caitlin, she was going to, whether she was drugged or not.
Caitlin sat down and wolfed down the lasagna. Grace sat across from her. She had put a towel on Caitlin's chair to avoid getting any cum on her furniture.
"From what I heard, and the little I saw, those Omega Nu boys were pretty rough with you. Not just them either, but Brenna too. You must be so glad to be back in the arms of only one person," Grace said, a sinister smile clear on her face.
Caitlin did not want to answer. She could never admit to being happier in Grace's hands, especially to Grace, even if the alternative was Omega Nu. She quickly finished her food and placed her dishes in the sink.
Grace wrapped her arms around Caitlin from behind. Caitlin felt a strapon already poking against her butt through Grace's skirt. She couldn't tell exactly how large it was but it felt huge. Caitlin felt her stomach sink. Grace really did have big plans for her tonight, in every sense of the word.
"I'll take care of these dishes. You go clean up. Wash that cum off yourself. The bedroom upstairs has a bathroom with a shower. You smell exactly like I would expect a frat house sex slave to smell. Take a nice, long shower and I will be ready for you when you get out," Grace whispered into her ear. She finished off with a kiss on the cheek before letting go of Caitlin.
"Now go!" she said excitedly, giving Caitlin a quick spank.
Caitlin was still reeling from being back here in Grace's house, but she really wanted a shower. The food had been fine, so it would probably be okay for her to take a shower. Grace's giddy mood was still throwing her off. She thought she'd be tied up, handcuffed, pinned to the ground or bent over as soon as Grace got her in the house but she wasn't. At least, not yet.
That shower was the single best hour of Caitlin's life in the past three months. All the sperm still on her flowed down the drain. She felt like she was getting rid of her whole time at Omega Nu in that shower. It was her first shower in weeks where she did not have anything shoved into her.
She washed her hair and every part of her body as thoroughly as she could. When she was done, it was the cleanest she had ever felt in her life. She looked at herself in the bathroom mirror and thought, "It's a shame that this is being wasted on Grace." Her heart felt heavy in her chest as she exited the bathroom.
What she saw was a truly unexpected horror. Grace was laying sideways on the bed, fully nude with her head propped up on her arm, looking Caitlin up and down, grinning from ear to ear. This was a pretty normal sight, with the exception of one part.
Caitlin realized she had never felt a strap on earlier today. Grace had a monstrous penis where her vagina used to be. It was already bigger than most of the ones Caitlin had dealt with at Omega Nu, and it was still flaccid.
"Come, lay down with me. We have a lot of catching up to do," Grace said, patting the space of the bed in front of her. Fear kicked in and Caitlin froze. If that thing got erect, Caitlin thought she would die. It would easily put Grace's toys she had used on her previously to shame.
Caitlin carefully lay down in front of Grace. Grace pulled her close with her free arm. Grace ran her fingers along Caitlin's body, gently trailing them along the smooth, pale curves of her pear-shaped figure.
"How is this possible?" Caitlin asked. She was starting to panic as she felt Grace's cock rubbing it in the crack of her ass and along her back. "You never had one before."
"Some nerds needed help with a biology experiment. They think they came up with an artificial chromosome. They called it the 'Z chromosome'. Someone with an XZ pair turns out like this," Grace explained. "They got to do their little experiment and set me up with my own little lovestick just for you. It's a win-win. I have been DYING to use this 'toy' on you. I've been trying it out on Zoe to make sure everything works for the day I finally managed to get you back. My libido has been insanely high, the poor girl hasn't caught a full day without my cock in her in weeks. Those Omega Nu assholes priced you pretty high, so it took me a while to get the scratch to buy you back. Luckily though, they do know how to kidnap. The three of you girls are officially missing persons cases that went cold months ago and have already been forgotten by most people. I can now keep you all to myself forever and nobody will ever find you."
Caitlin was wrong. This was so much worse than Delta Nu. She tensed up noticeably. She burst into tears. "Please don't lock me up. Please, I need some freedom," Caitlin sobbed.
Grace pulled Caitlin closer, kissing her on the cheek. "Luckily for you though, I'm not interested in their brand of sex slave. Once we iron out a few kinks and establish some rules, you can have as much freedom as you want so long as you follow all my orders. We'll also come up with some kind of believable story for why you went missing for so long. If you run to anyone and tell them your situation, I gave Omega Nu a list of your female friends and family. I'm sure they're looking for any excuse to pick one or two up. They also know that should something happen to me; I give them full permission to take you back. All those details are for later though. For now, let's just enjoy what's in front of us."
Grace got up and rolled Caitlin onto her back to where her head hung off the edge of the bed. Caitlin was too terrified to move. She saw the supersized schlong above her, it covered half of her face. Caitlin felt dizzy just looking at it. The smell didn't help either. Grace was now slowly getting more erect as the time to fuck Caitlin drew nearer. The feeling of Caitlin's hot breath on her shaft, only expedited the process. Grace slapped Caitlin's cheeks a few times using her cock. Caitlin closed her eyes and scrunched her face as Grace waved her dick around, clubbing her in the face repeatedly.
After toying with her prey a little, Grace rested her balls on Caitlin's face, right between her eyes. They were proportionally massive and a lot heavier than Caitlin thought they would be. She could not see it, but Caitlin felt the tip of Grace's semi-erect penis land on her chest.
"Well, here goes nothing," Grace said as she brought her hips back and slowly forced the head of her cock into Caitlin's mouth. Caitlin's soft lips parted easily and they clung to Grace's cock. It must have been about four inches in diameter. Caitlin's jaw was pushed to its limit as Grace slowly pushed it in, forcing half an inch at a time down her throat. Grace wanted to enjoy Caitlin's warm and wet mouth every second that she could. She also wanted Caitlin to taste every inch slowly.
The first few inches were fine, once she had widened her mouth enough to accommodate the insane girth. However, once Grace made her way to Caitlin's throat, the pain was excruciating. Never had something so wide entered her before. This was way worse than any of Grace's dildos. Caitlin's eyes teared up as it clogged the walls of her throat. Her throat was completely occupied by Grace's girth as more of it pushed deeper into her. Caitlin never thought a throat fucking would be as bad as her time as the frat house whore, but this did the job. Grace's cock was so wide, Caitlin heard the choker around her neck snap as Grace passed it. Not even the frat boys would have thought it would ever actually happen.