Disclaimer: I don't own Life With Derek, and my life is emptier than it should be as a result.
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He came home that afternoon pissed as hell. He walked straight up to Casey's room, walked inside, and locked the door behind him. He pulled her up from her spot on the bed, threw her against the wall, and kissed her, hard. He came up for air and said, "You slut."
"Oh, what's the matter? Locker room talks finally catch up to you? Cause girls talk in the locker room before gym class too. And I've heard plenty of things. Everyone seems to agree that you have the most dick control of all the guys, but all the other girls seem to think that you're too gentle. I don't know where they would get that idea. Do you take all your aggressions out on me, and then treat them gently? That's hardly fair. I can't imagine that you're any good when you're being gentle."
"Fuck you Case. I'm gentler with them because I know they'll talk about it. Yes, I do take all my aggressions out through sex with you, because you can't tell people that I'm vicious in bed. It's very convenient for me."
"That's all it is with me, isn't it? I'm here for you're convenience. Well, fuck you, because I deserve better than that."
"Oh, like you're not using me for the exact same reasons. It's convenient for you to fuck me after being out with Sam, or any other guy for that matter. If I didn't live right across the hall, we'd never have gotten together. Quit acting so innocent in this whole game, you're using me just as much as I'm using you. We both hate each other, this is nothing more than a good fuck."
"Fine, so maybe you're right. Doesn't make it sound any better." She walked downstairs and sat on the couch. Derek followed her.
"Why did you walk away? I was just getting warmed up." He pulled her up off of the couch and kissed her deeply. She sighed, and Derek forced his tongue into her mouth.
"Wait," she pushed him away. "We shouldn't be doing this downstairs. Someone could walk in at any time."
He pulled her back into him and kissed her again. "That makes it even more exciting doesn't it?" He kissed and nibbled on her neck. She moaned, and pressed herself into him. She could feel him getting harder already. He slid his hand under her skirt, and pushed her underwear down. He slipped two fingers inside of her, and she began to breath even heavier. He pulled his fingers out, and turned her over so she was bent over the couch. He pulled a condom out of his pocket, then pulled his pants and boxers down and put it on. He began thrusting into her, and she let out little moans with each thrust. As they were both nearing the end, the front door opened. George walked in carrying two bags of groceries, which he promptly dropped on the floor.
"What the hell are you two doing?" He yelled. They both scrambled to replace what little clothing had been removed. Casey tried to run for the stairs, but George stopped her. "I don't think so, Casey. You two are coming into the kitchen with me, where I can keep an eye on you until Nora gets home and we figure out what to do about this."
Casey said, "Fine, you can give us any punishment you want, but it's not going to stop us. You can't keep us under constant observation. Before too long we'll be adults and there won't be anything illegal about it. We're steps, there's nothing wrong with it."
"It's still not right. You two live together, you're treated like brother and sister." George replied.
"We may be treated like brother and sister now, but we didn't grow up that way. When two teenagers are thrown into a new living arrangement like this one, it's only natural that they begin to notice how attractive the other one is. Our hormones tell us to give it a try, since we're not really related." Casey responded.
"Yeah!" Derek said, not wanting to not contribute anything to the conversation.
George sighed and rubbed his hand over his face. "How long has this been going on?" He asked.
"About six months, give or take a couple of weeks." Derek replied, happy to be able to supply something of importance, finally.
"Well, it's going to stop now," George said angrily, "and Nora's not going to be happy about this either."
Casey responded, "You didn't know it was going on for the past six months, do you really think that you're going to be able to pay enough attention to keep it from happening now?"
"Yes, I do, because now we know that we have to watch you, whereas before, we thought we could trust you."
"Well, I guess we'll just see then, won't we?" Casey said smugly. Casey and Derek got up to leave.
"Oh, no you don't," George said, "you two are sitting right here where I can keep an eye on you until Nora gets home. I want you to tell her what you've been doing."
Derek said, "Okay, that's fine, but can I go to the bathroom real quick? This condom's starting to bug me."
"Fine, go. I'm glad to see that you two are at least being smart enough to use protection in your stupidity. I can't imagine how little brains your offspring would have."
After Derek had come back from the bathroom, him and Casey sat at the kitchen table while George made dinner. George would turn around to check on them every once in a while, but they weren't watched very carefully. Whenever George's back was turned, they would kiss each other, or pinch each other, and when George would look at them, Casey would kick Derek in the shins. As a result, the puzzle George had given them to keep them busy wasn't getting done very quickly.
Marti walked into the kitchen. "Smerek, come play with me!" She grabbed his hand and tried to pull him out of the chair.
"No, Marti, Smerek can't play right now. Him and Casey are in trouble and they have to wait right here." George told her.
"Why are they in trouble?"
"That's a good question. Were they fighting again? Because I thought we agreed not to mediate anymore unless they were doing bodily harm to each other." Nora walked in the door and set her keys down.
George replied, "Oh, believe me, this is a very good time to mediate. Marti, will you please go upstairs? Play with Lizzie or Edwin. We need to talk to Derek and Casey."
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A/N: Dun, dun, DUNNNN!! Oh, no, what's going to happen next? I'll post the next chapter when I have at least 5 reviews, so that I know that you guys are actually enjoying this.