A/N: I decided to make a full story of this one. I already have had a project similar to this one. It's fun, I'll admit that, but I still hope that I can pull it off a second time. Any suggestions are welcome. Hope you enjoy and thank you for the support so far! :)

Thanks for the reviews, alerts and favorites so far: Gia-DJ, AnimeQueen1260, MonsterHunterXD, Ss-StangzStyle, and ACCOUNT-FOREVER-UNUSED.

~ "It's nothing personal. Oh wait, it is: I don't trust you." ~

Nina halted when she finally reached the front door of her apartment, her keys in her left hand. However, she made no move to open the door just yet, because her intuition was telling her that the atmospere was far too quiet. And it smelled differently.

Hmm... This is interesting.

Admittedly, it felt like the alarm bells were ringing more often now, after her little prank, so it could also just be her imagination. Still, she wasn't dense; she wouldn't take any risks from now on. Knowing Anna, she had most likely put a machine on the other side of the door that would launch sharp spears in her direction as soon as she opened the door.,. or something even worse. Well, then it was only good that she knew how to dodge blows.

The blonde beauty had to smile despite everything when she thought of Anna's face, all covered in rash after she'd used her moisturizer this morning. That, combined with her panic attack, had been quite an amusing sight. Nina's little revenge had been more than successful. Once again, her relationship with Anna had proved to be very useful, because she was the only one who knew that her younger sister was allergic to peanuts.

Needless to say, the eldest woman hadn't been able to resist putting some peanut powder into her moisturizer when she wasn't looking. Not enough to kill her, of course, but certainly more than enough to show the annoying woman who was boss here. One could say a lot of things about Nina, but nobody could deny the fact that she was as quiet and deadly as a snake when she needed to be. Unfortunately for her, this was a trait that both sisters shared. That was another reason why she had to be on her guard now.

After some hesitation, the blonde opened the door and stepped inside the apartment. At once, a delicious smell wafted her way and she breathed in deeply. Okay, so no dangerous objects were thrown at her head so far, but her curiosity only rose.

"What's this?" the pretty blonde asked, when she stepped into the cozy kitchen again and saw that dinner was on the table already.

It seemed that the beautiful Anna had been waiting for her. It really looked like the brunette had done her best on it, too, but Nina could only be suspicious. Because let's face it, when was the last time her younger sister had ever cooked for her? Oh, that's right; never.

The pretty brunette looked up and smiled (although from this angle, it looked as though it didn't reach her eyes). "Nina... Hello to you, too. I cooked for you. Rice à la Anna. Smells nice, doesn't it?"

The blonde let out a rather uncharacteristic snort at those words, but her tone was deadpan. "You can't cook."

The dark-haired beauty put her hands on her hips and gave her sister a disapproving look, pursing her deep red lips to show that she wasn't pleased. "Now, now. No need to be so harsh. I learned a thing or two when I had to take care of myself," she reminded her older sister.

Yeah, sure, Nina thought sarcastically, while rolling her crystal-blue eyes.

"Have a seat, Nina."

Reluctantly, the eldest sister did as she was told. She examined the younger woman's cheeks as discrete as she could. The rash had almost completely disappeared and only a faint reddish shade was left on her cheeks. It looked weird, as though she had put on too much rouge on the wrong places. Nina tried to hide the fact that she was smirking, knowing that it would only aggravate Anna. The poor woman had been through enough trouble today. She probably hadn't even gone outside all day, too scared that someone she knew would see her in this state.

At that moment, Anna noticed her older sister staring at her. For a moment, Nina feared that she would try to throw her plate at her, but she was relieved that the only thing she did was ask, "Why aren't you eating? Your food's getting cold."

Nina pushed the plate away from her with a resolute gesture.

She crossed her arms over her chest and gave her a defiant look, staring at her through her blonde bangs. "You honestly think I'm stupid enough to fall for that? Oh, please! I know you better than that."

"What in the world are you talking about?"

Nina narrowed her striking blue eyes in response; a telltale sign that she was close to losing her temper. "Switch the plates. Now."

"What, why?"

"It's nothing personal. Oh wait, it is: I don't trust you."

She wouldn't be too surprised if her sweet little sister had put something in her food. Rat poison, for example. Or sleeping pills at the least. Everyone knew how far Anna would go for victory. Nina wouldn't put it past her if she was playing dirty right now, ignoring all the rules.

At her unspoken accusation, Anna let out an exasperated sigh and she lifted a thin brow. "Are you implying that I'd actually try to poison my own sister? You're crazy. And I'm deeply disappointed that you'd dare to say something like that!"

Nina, however, gave her a flat look, as if to say, "Cut the crap, sweetie. I'm seeing right through your lies."

"But if it makes you feel better..." She shook her head and switched her plate with Nina's in a fluid motion. "Then by all means. Paranoid much? Working with Jin has had its impacts on you, hm?"

The eldest sister didn't reply to that, but waited until Anna had taken a bite from the rice dish. After witnessing that she was still alive and breathing (although the blonde wasn't sure if that counted as good news), she was convinced enough that it wouldn't hurt her and she started eating as well.

"Bon appetit, sister."

Something about the way Anna just said that sounded a little unsettling. But Nina figured that she was imagining things. Perhaps Anna wasn't as bad as she thought. She really seemed to be putting effort into making things work between them. She couldn't say the same about herself, though.

"This doesn't taste so bad," the eldest Williams sister admitted after a while of comfortable silence.

"And you thought I couldn't cook..."

The brunette's sister merely shrugged.

"So tell me, Nina, how was your day so far?"

After some time, however, Nina's stomach started to feel rather... weird. There really was no other word to it. It was making embarrassing, loud noises that even caused her sister to raise a brow at her, to which she mumbled a quick "Sorry."

In fact, it was as though any moment, she could... Uh-oh.

When she realized that this couldn't possibly end well, she made a dash to the bathroom.

Meanwhile, Anna got up from her place and walked to the only open drawer in the kitchen. She glance down at a bottle. The word 'Laxative' was written in black, bold letters.

A smirk danced across her cherry red lips, as she felt that feeling of euphoria overtake her. "You didn't trust me, huh? Can't blame you, though, because you were right to suspect me."

A/N: So how did I do this time?

Next chapter: "My, my. Never thought I would see the day that you were getting fat."

Can you guess what the next prank will be about?