"A Past That Can't Be Buried"

A/N: I figured since the first chapter was short, I'll put up the chapters that happened in the past at least but i hope the crossover between universes makes sense. Please review, comment & enjoy! I'm totally new at writing a story for Casey & Derek so I do apologize in advance.

Disclaimer: I don't own Dark Angel or Life with Derek (they belong to their respective owners).

Summary: It's been 8 years since Casey escaped Manticore and is now in loads of trouble when she's left home alone with Derek.

Chapter 2:

Casey's POV

The day that Nora officially accepted George's proposal was the day I first met George's eldest son, Derek. I couldn't believe it that someone not from Manticore looked the way Derek did. He looked perfect and I instantly knew that it was going to be a problem living with him. I made it like it was a hate thing but I knew that Manticore was soon going to bite me in the butt again. Even the conversation with Nora on the way back home was awkward.

"Casey, are you really okay about living with the Venturis?"

"Nora, I'm fine with it but there might be complications."

"It's Mom now and what do you mean? Are you worried about Manticore?"

"No but yeah I am worried. Before it was just you, me and Lizzie but if I'm going to be surrounded by testosterone all the time at least you should be warned."

"About what, dear?"

"This may sound wrong but I can't control it…..because of my feline DNA that allows me to jump high, run fast & gives me more strength, it also gives me the cycles of a cat."

"You don't mean….."

"Yes unfortunately I do. I go into heat. I only get them once a year but soon it will progress to almost 2-3 times a year and…geez I hate saying this but you have to know…I get this need to be with a guy, like my hormones and behavior get all messed up during that time and it gets out of control sometimes. It's a flaw that I really hate and before, it was easy because I could just lock myself in the house and wait it out but now I'm not so sure what to do."

"Yikes Casey. That will be tough. Do you roughly know when it will happen?"

"So far it's happen near the end of the summer."

"Well, I guess during that time you will get the house to yourself."

"Okay, thanks Nora…I mean Mom. Please don't tell anything unusual about me to the Venturis."

"Don't worry. I'll only tell them stuff about you that I do about Lizzie."

"Thanks."

It wasn't long until they got married and we moved into the Venturis' house in London, Ontario. Nora made sure that we moved in after my heat was over for the summer. Thank you, Nora. With a new family, I now had to be super careful about my abilities and extra careful to hide my barcode on my neck. Luckily, Derek & his siblings (Edwin & Marti) treated me like a sister….with the love/hate relationship, which I was fine with, it kept them from being suspicious about me. Derek would tease me about being a keener, a klutz and uptight person which I was fine with. I've taken worse from Manticore and at least he didn't notice my true actions. I'm not a keener but thanks to Manticore, I'm super smart so I have to keep the keener rep to throw off any suspicious people at school. Technically, I'm not a klutz (how can you be with military training?) yet sometimes I'm too focused on something that I have to make it into a klutz moment and being uptight is just me being worried about Manticore coming after me. I shouldn't be worried but I don't want to be caught off guard. At least I know that I was fooling people with my façade of a good girl. If only they knew.

A/N: Just as a note, italic words represent either a flashback moment or what the character is thinking at that moment (like questions or statements that people would usually have in their heads)

Hope you enjoy & come back for some more!