Disclaimer: I do not own black cat. hufh.. Hell, if I do, I'd like to keep Train and Xiao Li for me only.. XDD

AN: Urm.. This is my first fic ever, so yeah.. bear with it. Any kind of criticism is accepted. Sorry if my language suck. English isn't my mother language. Oh yeah, this story contains OC. So yeah, you know, please tell me if she's a MS. I hope she's not though. Your participation are highly expected! XD

Note for this chapter: I did some revision here and there, and I think this one's better than the first version.. so yeah.. Enjoy it..

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"Xiao.. Xiao.. Promise me, we'll meet again someday." A silver-haired girl was begging to a Chinese teenage boy.

"I promise, Elena.. I promise. Wait for me." The blue-eyed teenager answered, a sweet smile never leave his face.

"I will wait for you, Xiao Li. I will.. forever.." Elena handed a ribbon to Lin Xiao Li. "This is my favorite, Xiao. Keep this."

"Okay. I want you to keep this for me," Xiao Li handed an earring to the grey-eyed girl. "This is a sign, so I'll be able to find you wherever you are."

"I'll be the best harpist in the world when we meet again, Xiao Li. And you'll have to be the best master of disguise in the world then." Elena smiled sweetly.

"Yakusoku." Xiao kissed Elena's forehead.

"I love you, Xiao. Always." Elena closed her eyes slowly and then drifted to sleep.

Xiao Li smiled, and then left the hospital room.

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Elena blinked several times before she sits on her bed. "Another day to start," she murmured. Then, she heard a knock on her door. "Come in, please." She called.

"Lady Elena, Lady Sephiria wants to meet you now." A black-dressed man called from the entrance of the extravagant room.

"Seph? At this time?! Tell her, I'll be there in 10 minutes." Elena called back, annoyed when she realized how early it was.

"Yes, M'Lady." The man called back, and then closed the wooden door.

Elena quickly prepared to meet the Chronos Number's Captain. She herself was an elite member of the Numbers, though actually, she hated to be 'something' in the giant organization.

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"You called me, Sephiria?" Elena smiled down at the captain, who was sitting down reading.

"Lady Elena. Please, have a sit." Sephiria pointed to an empty sit in front of her.

"I told you, not to use the Lady thing. I hate it." Elena murmured before settling herself on the comfy sofa.

Sephiria ignored her protest. "I need to talk to you, Lady Elena."

Elena sighed. "Fine, fine. What do you want to talk about, Seph?"

"It's about you." Sephiria stated shortly. She stared at the silver haired girl, who was an elite member of Chronos that didn't act like one.

Elena froze. "I'm fine, Sephiria." She cleared her throat and tucked her long hair behind her ear. "I'm definitely fine."

"It isn't about your health, Elena. It's about your status," the captain paused, "as The Infinity." Sephiria waited for Elena's reaction. The girl only tensed up but said nothing. When the silver-haired girl didn't react, she continued. "As the special number, you always work with a partner, which is chosen by yourself. Your previous partner was the Black Cat himself. But, since his leave, you haven't chosen another partner, Elena."

Well, Elena did have a fragile health, but, her ability is undoubted by everyone. Since Number Thirteen left Chronos, each Numbers had tried their best to impress the Infinity. Unfortunately, no one managed to melt her cold-hearted demeanor.

"I can't, Seph. Train IS the only one who has the ability to support me." Elena cut her coldly, her sliver eyes flashed.

"Lady Elena, Chronos needs your ability. Please choose another partner immediately." Sephiria bowed her head to the elite member. "A new number is coming today. I hope he can impress you with his ability."

"He'll be the number..?" Elena asked while sipping her Earl-grey tea slowly, savoring the bitter taste of the caffeinate liquid.

"Ten, My Lady." Sephiria answered shortly.

"He'll replace Ash's place?" Elena's tone sharpened. Everybody in Chronos knew how she hated it when someone was replaced by others. She mentioned it as 'Nobody can replace other's place'.

"That's only if you accept him to, Lady Elena." Sephiria kept her cool manner.

"I'll have to, right? After all, you're the one who recommend him to be the numbers." The younger girl sneered.

"You're the one who hold the final decision, Elena. He'll come at 10. So, please get ready before that. Don't forget to wear your formal uniform." Sephiria, kinda annoyed by the Infinity, didn't bother to put a respect title.

Elena frowned. She hated her formal uniform. It's too complicated! Far away more complicated than Sephiria's and Belze's! But at least, she said nothing and left the room.

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"Elena, are you coming or not?!" an impatient Jenos called for the silver-haired lady.

"Well, you're here to escort me after all. So, J, why don't you take your time in my room until I finish tying this stupid chain?" Elena scolded back.

"I'll help you, then. Whew, your cloak is way far more complicated than Sephi's and Belze's!" Jenos whistled as his sight caught a glance at the Infinity's cloak. As the owner's title: The Infinity, the cloak seemed to had infinity knots!

"Indeed, J. Now, that I'm ready, would you like to escort me? Sephiria wouldn't like it if I'm late AGAIN." Elena asked as she tied a final knot on her cloak.

"With a pleasure, M'Lady." Jenos smiled and bow with mocked respect while offering his hand to her.

Elena laughed and punched Jenos's shoulder playfully, but finally took his hand as the clock showed that there's only 5 minutes left before ten.

Though everyone mentioned Elena as the cold-hearted member of Numbers, there're few that knew her child-like demeanor. Jenos, for example, was her best friend, and the Number Six, Anubis, was her all-time favorite.

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In the hall, most of the Numbers were there. Jenos guided Elena to Sephiria's side, so both Sephiria and Elena facing the other Numbers. Then, a long haired male came into view. He stood between the Number's elite and the other numbers. Elena, being the carefree girl that she was (maybe the word ignorant would suit her better), didn't even take a glance to the new number. After Sephiria finished her speech and give him his weapon, it was Elena's turn to do her job. She finally stared at the blue eyed man. She almost couldn't hold her gasp. But she managed to regain her composure soon.

"Lin Xiao Li, with the roman number ten tattooed on your chest, that's a sign that you belong to Chronos." Elena said as she put her hands on where the tattoo was placed. 'Damn formalities' she cursed in her head. "And now, to fulfill my job as the special number, I, Elena Harz shall choose a new partner for me." She stopped.

Everyone held their breath. Each Numbers tried to hide their nervousness. After rejecting each offer that was made by Sephiria and Belze, the time had finally come: the day where The Infinity chose a new partner after Black Cat left Chronos.

Elena heaved a sigh. "Lin Xiao Li, will you take the opportunity to be a partner of mine?" Her intense gaze was fixed on the Seiren's holder.

All Chronos members that were in the hall gasped. Even the Numbers did. Elena's never interested in anyone in Numbers since The Black Cat left Chronos. Of course, her sudden decision invited their curiosity.

"But M'Lady! We haven't seen his action! How could you trust a person that hasn't fight with us to be your partner?" someone asked.

"Silence! I have my own reason, and I trust everyone that was chosen to be a Number!" she commanded sharply.

"Sephiria-san, Elena-san," Xiao Li called them both, "I have an idea."

Everyone immediately turned their attention to the now smiling boy. But before Xiao Li even managed to give out his idea, something distracted them.

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Sorry, gotta cut it here.. Well, it is my first fic ever, so I'd like to receive any kind of criticism or any comments that would help me getting better at review. I'll update as soon as possible. Review, please!