Disclaimer: I do not own Code Lyoko.

Summary: Jeremie's gone missing and no one has any idea why. When XANA launches an attack, who will work the super computer? Will they have to result to someone else? And will they ever find Jeremie again?

Author's Note: Ooh, finally I write a Code Lyoko fan fiction. Been trying to, but never really felt like I could. –laughs- This also has a Mary-Sue in it. Telling you now so if you disagree with Mary-Sue's, you may leave now and not read my fiction. ) So, without further ado, Missing!

Missing

Chapter One

Jeremie had been missing for days. The last time anyone saw him was during History, where he seemed just fine. He received a text message after the bell rang signaling the end of class. His face contorted as he read it and he made his way towards his room. Yumi, Odd, and Ulrich hadn't seen him since.

They had done a return to the past after another incident with XANA. Jeremie was there and all in one piece when the return had been completed. Nothing wrong at all.

When his friends went to check his room, Jeremie was no where to be found. His room bore empty, as well. His computer was wiped of all its memory and his clothes were all gone. Not a single paper or note left for his friends.

They checked the factory for Jeremie, but he wasn't there either. When they walked over to the super computer, it didn't turn on. All of Jeremie's manuals of how to work the computer were gone.

Yumi, Odd, and Ulrich waited a week for Jeremie to turn up, but no luck. They didn't know how to connect to Lyoko. They couldn't contact Aelita to see if Jeremie had told her anything. They couldn't even explain to the teachers as to why their friend went missing.

"Children, you have to be reasonable," Principal Delmas told Yumi, Odd, and Ulrich. "Their parents don't know where he is, either. His room was stripped clean with no sign as to where he went. And you're telling me he didn't even tell you where he was going? His friends, no less?"

The three shook their heads. It saddened them, too. Principal Delmas sat back in his chair and put a hand to his forehead, massaging it.

"I don't understand," he sighed. "Our model student, gone without a trace!"

"We'll find him, sir," Jim assured. "He couldn't have gone too far."

"It's been a week, Jim!" he said, raising his voice. "Someone could be anywhere in that amount of time. Especially with transportation, such as a boat or a plane!"

Yumi, Odd, and Ulrich bowed their heads. Ulrich and Odd were thinking while Yumi was crying. Ulrich went over and hugged Yumi, letting her cry into his shoulder.

"You kids are free to go," Principal Delmas said. "If you find out anything about Jeremie, please contact us immediately."

They nodded their heads and walked out of the room. Principal Delmas stood up and walked over to the window.

"Unbelievable," he muttered.

x0x

Yumi walked off to class later that afternoon, while Ulrich and Odd headed off to science with Ms. Hertz.

The bell rang and everyone took their seats. Ms. Hertz walked in and began teaching the lesson, which had something to do with circuits. Ulrich and Odd couldn't listen. Jeremie would usually translate what she was saying into words Ulrich and Odd could understand. Without him, they were going to fail for sure. But that was the least of their problems. They still hadn't figured out why he left in the first place.

A laptop beeped that made Ulrich and Odd jump.

'Jeremie?' they both thought.

"Rose, please put that laptop away," Ms. Hertz scolded. "You know electronics are not allowed during class."

"Sorry, ma'am," the girl apologized. She put her laptop into her backpack and turned her attention to the front of the classroom. Ulrich and Odd sighed.

After having to take notes on the difference between closed and open circuits, they were given an assignment at which to build a working circuit. It had to have one closed circuit and one open.

"You may have partners," Ms. Hertz said, handing out instructions and supplies. Ulrich and Odd got their supplies, but knew they wouldn't succeed without Jeremie.

"Excuse me, Ulrich?" a girl said, while tapping on his shoulder. Ulrich looked to a girl that was about his height with brown hair. It was Rose.

"Yeah?" he asked, trying to wake up.

"Um, do you know where Jeremie is?" she asked. "He's my partner and he's not here today."

"He's sick," Ulrich lied. Rose frowned.

"Oh, I'm sorry," she said. "I hope he's alright."

"Yeah, he should be fine," Ulrich lied again, sinking lower into his chair.

"Okay, good," Rose smiled, and walked over to their teacher.

"Ms. Hertz?" she asked. "Jeremie's sick today, so I don't have a partner. Who should I work with?"

"Well, a student of your grade standard could choose to work alone, but if you prefer having a partner, I'd allow you to team up with Ulrich and Odd. I'm sure they'll need all the help they can get," Ms. Hertz said, smiling.

"Okay, thanks!" she giggled and skipped over to their table. "Would you guys like some help?" she asked.

"Well, I don't kn-"

"Sure!" Odd perked up.

"Odd, what're you doing?" Ulrich whispered.

"Come on, Rose is like a female Jeremie!" he replied. "With her help, we'll get the best grade in the class!" Ulrich rolled his eyes and nodded at Rose. She giggled and sat down to get to work.

Sissi Delmas turned around in her chair to spy on Ulrich. Herb had already finished their circuits and was contently sitting across from Sissi. The girl snorted in disgust.

"Who does that Rose girl thinks she is?" she fumed to Nicholas and Herb. "Just because Jeremie's not here doesn't mean she can move on to Ulrich!"

"What do you mean Jeremie?" Nicholas asked dumbly.

"Oh, you numbskull!" Sissi scolded. "It's so obvious she likes Jeremie, don't you guys pay attention to anything?" They both frowned. Sissi turned her head away from them with a loud "Hmph!"

"Ulrich, those wires can't touch, or else it wouldn't be an open circuit," Rose explained. Ulrich let go of the wires and let her fix them. Odd laughed at Ulrich's stupid mistake.

"And Odd, in order for the battery to work, the plus and minuses have to match up," Rose told him. Odd frowned and Ulrich smirked. Odd flipped the battery around and the light bulb lit up. Rose smiled and clapped her hands, feeling very accomplished.

"We did it!" she exclaimed. "Well done, you guys. Great work." Odd smiled broadly and looked at the shining light bulb. Ulrich grinned. Rose giggled and pulled one of the wires up, making the bulb flicker off.

"And that's an open circuit!" she exclaimed. Rose set the wire down and sat back in her chair, smiling.

"Alright class, time's up!" Ms. Hertz announced, clapping her hands to get the students' attention. "Write your names on a piece of paper and attach it to your model. Then come up and set them on the table. After you've done that, you're free to go."

The bell rang for the end of class, which made the students scurry faster to put their models on the table for grading. Rose quickly wrote all of their names on the paper and taped it to the circuit.

"We'll get the best grade in the class, guys," Rose said, setting their model down. She went over to her seat and picked up her handbag. She tossed it over her shoulder and smiled at Odd and Ulrich.

"See you later!" Rose giggled and walked out of the room.

Sissi was next out of the room, being followed by Nicholas and Herb. She scoffed at Rose behind her back and stuck her nose up in the air.

"That Rose girl is way too full of herself!" Sissi exclaimed. Ulrich looked disgusted.

"Yeah, like you're one to talk," Ulrich mumbled. Odd laughed loudly. Sissi turned and glared at them both.

After Ulrich and Odd had left the building and walked into the courtyard, they met up with Yumi.

"Hey guys," she greeted. "How was class?"

"Boring, as usual," Ulrich replied. "Especially without Jeremie."

"Although we found the next best thing!" Odd smiled.

"Oh, really?" Yumi asked, cracking a smile as well. "And what was that?"

"Not what," Odd said. "Who! It was Rose!"

"Who's that?" Yumi questioned.

"It's just another smart girl," Ulrich shrugged. "Nothing special."

"Yeah, but you've got to admit she's kind of cute," Odd said, winking. Ulrich rolled his eyes. Yumi shook her head.