A/N: Well, this fanfic is going to be about Rin and Len, and all their fanmades. I sort of got inspiration from Revolution. I was also admiring all the fanmades that there were. xD So yeah all the adorable twins are going to try and "take over". Ha, let's see how that goes.

Prologue:

Meiko, Kaito, and Miku were all sitting down on a couch, their gazes glued to the front door. They were awaiting the arrival of a new Vocaloid. Well, apparently two new Vocaloids. They were supposedly brother and sister. That was all they knew about these two mysterious new Vocaloids. When they'd heard about the creation of new Vocaloids, they had been thrilled. And today was the day they were supposed to arrive.

There was a big Welcome banner hangin from the ceiling. There were balloons of all colors floating around. There was even a cake. As you can tell, they were happy about having new Vocaloids.

Meiko had been the first. She had not liked being alone, and she'd been delighted when Kaito had come. They sort of had crushes on each other, but they never really went out. Meiko liked Kaito because she could use him as her punching back. She let out all her stress and anger on him. And he never seemed to mind. When Miku had came, Meiko had been pleased that there was another girl. Miku was only 16, and very pretty. She instantly became the most popular Vocaloid. Kaito had a small crush on Miku, and she seemed to also like him. All three of them got along pretty well, for the most part. But they could not help but wonder how they'd get along with the newbies.

Just then, the doorbell rang. They all shot up from their seats, Miku beating the other two to the door. She opened it up, and gasped. Standing on the porch were two Vocaloids that seemed to be exactly alike! She blinked, and then se could see there were differences. The biggest one being that one was a girl, and the other was a boy. The girl had a huge white bow on her head, and headphones, while the boy only had headphones. The girl had white hairclips, the boy had his hair in a small ponytail. They had similar outfits, white shirts with black on them. The girl had a yellow bow on her shirt, but the boy had a yellow tie on his. His shirt was a bit loose looking, while her's was tight and only went down to her belly-button. Some of her stomach skin was exposed. She had on very short black shorts, and he had oh baggy black shorts. They both had legwarmers and arm warmers. Their hair was yellow, and their eyes were blue. They both had innocent expressions on their young faces.

"Hi! So you are the new Vocaloids? Oh my God, you are twins, aren't you? Meiko, Kaito, they are twins!" Miku gushed, clapping her pedicured hands excitedly. "I'm Miku Hatsune, and I am the most popular Vocaloid."

Meiko pushed Miku out of the way and examined the two. Yeah, they were definitely twins. Meiko smiled at them. "Hey, kids. I am Meiko, and I was the first Vocaloid." Then she moved over so Kaito could greet them.

"Hi! I'm Kaito. I love ice-cream," Kaito said, sounding kind. "I am probably the only sane one here." Meiko smacked him, and he winced. "Ow. That wasn't nice." Miku rolled her teal eyes.

"Ignore those two. Meiko always beats Kaito up," Miku told the twins. "So, what are your names?" Miku was surprised they hadn't already turned and ran.

"'I'm Rin Kagamine, and this is my brother, Len. As you all guessed, we are twins. I was made first, though," the girl, Rin, said in a smug voice. Len glowered at her.

"She thinks she's better cuz she is maybe 5 minutes older. But I am the one who always keeps her out of trouble, and I solve all of her problems. Basically, I am the smart one," Len said with a smirk.

"Well, Rin and Len, it is nice to meet you. Come on in!" Miku said, still gushing and acting all excited. She took Rin's hand and Len's hand and dragged them inside. Meiko shut the door behind them.

Rin and Len looked around, smiling at the balloons and the banner. They seemed to like it here. That was good. Miku let go of their hands. She was glad they were obviously younger than her. That way she wasn't the youngest anymore! She was a bit worried they'd become more popular than her. But she doubted it. She was Miku Hatsune, after all.

"Do you want some cake?" Meiko asked them. "We all made it. Who knew we could actually work together and accomplish something." She smiled at Miku and Kaito. They were like her family, and pretty soon Rin and Len would also be their family.

"Sure!" Rin and Len said at the same time. Wow, that was freaky. But Rin and Len did not seem bothered by it. Did they do that all the time? All 5 of the Vocaloids walked into kitchen where the cake was. Meiko reached for a knife to cut the cake, but Miku grabbed it first.

"Sorry, but I can't trust you with a knife," Miku said calmly. "You might get angry and stab Kaito with it. That would not leave a good impression on Rin and Len." Meiko muttered something but she did not try and take the knife. Rin and Len exchanged surprised looks.

Miku cut 5 pieces out of the cake. It was a chocolate cake, with chocolate frosting, and blue flowers (Miku had insisted the cake would not be complete without flowers) and it said Welcome in yellow frosting. They all sat down and ate, chatting with each other. They all relaxed, feeling comfortable. All three of the original Vocaloids were sure that Rin and Len would enjoy their life here.

Well, that was the prologue. The first chapter has already been written, but I am only going to post it if I get at least one review. Thanks!