Disclaimer: I own nothing except for the idea. (I hope…)

A brunette dressed in a white long-sleeve shirt, orange vest, black shorts, and a blue bandanna yawned as he walked downstairs. When he made it downstairs, he looked at the table to see his mom with short brown hair, his brother using a CopyBot with his blue spiky hair sticking out of the back of his helmet, and... a blue-haired girl he didn't recognize serving them breakfast?

"Ohayo, Lan!" the blue-haired girl around his age smiled at him. "I'll get your food in just a minute. Hub, here, ate your breakfast since you took so long." At that, she began to glare at the CopyBot-using netnavi.

"I can't help it if Papa built me a better CopyBot body so I could actually taste food," Hub chuckled nervously.

'Dad built a new CopyBot body?' Lan wondered. This was news for him. 'Who is this girl, anyway?'

Lan made his way to an empty seat at the table, the girl setting a plate of food in front of him. Lan glanced back up at the girl, confusion etched on his face.

"Lan, aren't you going to thank your sister for cooking us breakfast?" his mom asked.

"Oh, uh... Arigato," Lan told the girl who was supposedly his sister.

"Say, Levi, aren't you going to be late for soccer practice?" Hub asked.

"Oh, yeah!" the girl, who was apparently called Levi, exclaimed. "I better get going!"

"Hurry up, Lan," Hub said. "We don't want her late for practice because you took too long getting read like last time."

"Hub, don't forget that Papa wanted to see you, too," Levi frowned.

"She's right," Haruka said. "The subway is leaving in twelve minutes."

"Guess I better get going," Hub said as he excused himself.

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'What's with the confused look on his face?' Leviathan wondered as Lan kept staring at her as they walked to the park.

"Something wrong, Lan?" Levi smiled sweetly.

"Yeah, who are you?" Lan finally asked.

"Nani? What do you mean?" Levi asked innocently. "I'm your cute little sister, remember?"

"No, I don't," Lan replied. "My brother, sure, but a sister? I doubt I would easily forget something like that."

'Nani? Did they forget to rewrite his memory?' Leviathan wondered.

"Besides, unlike what most people say, I am a little smart," Lan continued. "Nobody in our family has blue eyes and blue hair. Well, Hub has blue hair, but that's because he's a netnavi. Also, I doubt you were just suddenly adopted while I was asleep."

'Well, time to improvise,' Leviathan thought to herself. With that thought, Levi began to cry. "Onii-san's so mean... He forgot who I am!"

Leviathan began to inwardly grin as Lan panicked. She knew he had no idea how to handle a girl who was crying.

"Please calm down," Lan pleaded. "I didn't mean to hurt you feelings! I just don't know who you are!"

At this, Levi cried harder, thus making Lan panic even more.

"Please stop crying," Lan pleaded. "I'll get you some ice cream! Do you like ice cream?"

Levi slowed down her crying. "Ice cream?" she sniffed. There was no way she was going to turn down ice cream.

"Uh, yeah... Ice..." Lan suddenly stopped mid-sentence as the two made direct eye contact.

"Come on, we're going to be late!" Levi said, Lan nodding and running with her to the park. 'I guess the mind-control pulses are good for something... I'll need to contact HQ and tell them about their screw up... after my ice cream.'

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With Lan and Levi now having ice cream, the two hung out in the park.

"So, are you ready to tell me who you are?" Lan asked.

'He's fought the pulse off already?' Leviathan was a bit worried.

"I'm your little sister," Levi said again with a smile.

"... If you say so," Lan sighed.

'HQ better fix this by tomorrow,' Leviathan frowned.

"Why do you keep insisting that I'm not?" Levi asked.

"Something really seems off about you," Lan said. "Then again, I guess I can't complain..."

"Huh?" Leviathan asked, dropping her act for a moment. "What do you mean?"

"Well..." Lan began.

"Hey, Lan! Levi!" a voice called out as a redhead with a green long-sleeve sir, blue vest, and pink skirt approached them. "Where's Hub?"

"He's meeting with Papa today," Lan smiled.

'Now he's acting like the information said he would...' Leviathan noticed.

"I guess he forgot about our date, then," the redhead sighed.

"Nah, it was just something real important," Lan said. "Say, Maylu... Would you...?"

"Hey, Levi. How about we get some shopping done?" Maylu suggested.

"But..." Levi began, not expecting this.

"Come on," Maylu urged as she grabbed Levi's hand. "I'm sure Lan wouldn't mind."

As Levi glanced back at Lan, she saw him waving goodbye to her. It then occurred to her that the two of them were going shopping... Shopping with Maylu, the queen of expensive buying and tricking others into object carrying.

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"Never again..." Leviathan panted as she slowly walked home, Lan waiting outside.

"Need help?" Lan offered.

"Why didn't you stop her?!" Leviathan glared.

"Well, Maylu and Yai shop together all the time," Lan said.

"That doesn't mean I like to!" Leviathan yelled.

"Well, I wouldn't know that," Lan defended himself. "I mean, you just popped up out of the blue."

"Lan, are you trying to tell Levi she's adopted again?" Hub sighed. "You do that all the time..."

"Hub, what happened to the CopyBot Barrel gave us?" Lan asked.

"Huh? Oh, Papa accidentally destroyed it when he was examining it to make this one, remember?" Hub said. "You wouldn't talk to either of us for a week."

Levi noticed Lan had more or less frozen up after hearing that.

"I guess I should call Maylu and reschedule that date, huh?" Hub said.

"Baka... You'll lose her if you keep screwing up," Levi muttered.

"Hey, I'm trying," Hub said before walking inside.

"Um, Lan..." Levi said, trying to get his attention.

"Yes, Levi-chan?" Lan asked with a smile.

'Wait, he hasn't called me that before...' Leviathan frowned.

"Ah, I have the dinner shift!" Lan suddenly said. "Forgive me, Levi-chan!"

With that, Lan left a confused Leviathan. A man then appeared behind Levi.

"Sorry about that," the man apologized. "We thought for sure we had rewritten everyone's memory."

"That is fine. He hasn't caused any trouble yet," Leviathan reported.

"Hm... Keep an eye out for anything that should not be happening," the man said. "We're still looking for information concerning the android."

With that, the man left, leaving Leviathan to walk into the household.

'Levi-chan, huh? Why does it feel so...'

Something for you to figure out... Need something for you to do.