Author's Note: I don't know if I like how this chapter turned out... so please let me know! Thanks and hope you like it!
Casey couldn't control the shiver that ran through her body as she felt her stepbrother's warm tongue on her lips. Her mind was screaming at her but she remained silent and still, merely watching the scene play out in front of her.
"Smerek!" a voice suddenly yelled, and Casey was brought back down to Earth with a crash. They both turned to see Marti bursting into the bedroom.
"What are you doing?" she asked innocently, seeing that her brother had her stepsister trapped underneath him on the bed.
"Uh, just, playing a game," Derek said quickly, trying hard to calm himself down. He got up off of Casey and she scrambled to her feet.
"Goodnight!" she exclaimed before running quickly out of the bedroom. Derek pinched the bridge of his nose. Why had he said those things to her?
"Smerek, I want you to read me a bedtime story!" Marti continued, jumping up and down and thrusting an Amelia Bedelia book out at Derek.
"Alright," Derek sighed, collecting himself. "Let's go, Smarti," he picked up his little sister and brought them to her bedroom.
Meanwhile, Casey just sat on her bed, replaying the last five minutes in her mind. Derek confessed that he wanted her. He wanted her! And he had sorta kinda kissed her. And she hadn't fought him off.
…Why hadn't she fought him off?
Did she want him, too?
No, she quickly pushed that idea right out of her head. There was no way. She couldn't have feelings for her stepbrother. Besides, she had Sam. Sam was a great guy—cute, smart, funny, sweet.
Everything Derek wasn't.
Okay, that was a lie. She had to hand it to Derek… he was cute. She had thought so ever since she first laid eyes on him, just a few weeks before her mom and his dad's wedding.
But that didn't mean she wanted him. She didn't lust after him. She didn't want to kiss him or make out with him or have hot monkey sex with him. She just…
…what did she want?
The next morning, Derek went downstairs for the traditional MacDonald-Venturi Sunday Brunch. As he went into the kitchen to grab himself a drink, he found Casey pouring herself a glass of orange juice. Her hair was pulled up messy, she had not a stitch of make-up on her face, and she looked exhausted. But still hot.
He purposely brushed up against her as he stole the orange juice container from her. He heard her suck in a breath at the contact, and smirked to himself.
"I meant what I said, Casey," he murmured to her quietly, leaning over and biting her earlobe gently before disappearing back into the dining room with the orange juice.
Casey could only feel her body shiver again, and her earlobe tingled from Derek's attention. She stared into her glass for a moment, steadying her breath before walking back into the dining room.
And she couldn't pretend that she didn't see the lust in Derek's eyes every time he looked her way during brunch. It was a bit unnerving. And a bit… well, thrilling for Casey. Not the fact that her stepbrother was lusting over her, of course. It was the fact that someone wanted her so badly that she could practically feel their desire for her radiating off of them. And as much as Casey didn't want to admit it, it felt really great to know that she was that desirable...
For the rest of the day, Casey lost herself in her homework so she could forget about the whole Derek Dilemma for a few hours. She was doing a great job of accomplishing this, when all of the sudden there was a knock on her door. She knew it was him.
"Come in," her voice deceived her and the door opened slowly, revealing a visibly frustrated looking Derek.
Casey just stared at him, her pencil falling out of her hand at the glazed look in his eye. He looked like a druggie having a major withdrawal.
"Derek?" she finally asked, standing up from her desk in concern.
"I can't take it anymore," Derek growled and practically pounced on his stepsister.
Casey didn't have time to react as Derek grabbed her and forced his lips down upon hers. He kissed her deeply and thoroughly, and Casey felt her mind whirling as she just went with it.
Derek pushed Casey backwards onto her bed, not detaching their lips for one second. Casey felt Derek hands everywhere—running through her hair, caressing her body, pulling at her clothing as if it was an annoying setback.
"Oh God, Case, I need you so bad," Derek groaned as he pulled off her top.
"Derek…" Casey felt as if she had lost all brain activity. All she could do was roll her eyes upwards in pleasure at the way Derek's lips were moving down her now bare stomach. "Derek…" she attempted again as he began pulling off her jeans.
"Please, Case…" she heard him practically plead as he stripped her of her pants and moved back up to kiss her lips again. "Please," he moaned as he delicately ran his tongue against her teeth.
Casey's eyes fluttered shut. All she could think about was how this all felt way better than it should. Derek's lips and tongue and fingers—all too good to be stopped.
"Door," was all Casey could manage as she felt herself giving in and yanking Derek's shirt off.
Derek stopped kissing her and looked up at his stepsister, a wide smile on his face. She was giving in.
He took her with him over to the door so he wouldn't have to stop touching her. She was like an addiction, and he just needed more of her. When had it gotten to this point? was all he could wonder to himself.
He shut the door, locked it, and turned out the lights all without stopping his mapping of Casey's body. She looked so beautiful, her eyes closed and lips parted as she seemed to relish every touch from him.
"Casey… Casey…" he moaned her name over and over again as they stumbled back to her bed.
"Derek…" she returned with a breathy sigh of satisfaction. She couldn't believe what was happening. But what she couldn't believe even more was how she wasn't stopping him. And was enjoying it. A lot.
And Casey felt instant regret the second she became another notch on Derek Venturi's bedpost…