A/N: I hope you like it! It's my first Black Cat fic, so please no flames. I was thinking about this story a few days ago, but I saw that someone had slightly gotten the same idea. Mine is totally different…I think. I didn't read that person's story so I have no clue how theirs turned out.

Black Cat's Assistant

Prologue

As three people sat in a room, a young girl coughed vigorously. "Number thirteen, this is your new partner." Said a blonde woman as she pointed to the young girl next to a brown haired young man. "Thirteen," she said referring to the young man next to her, "she will assist you on your erasing."

The young girl never looked up, but her coughing ceased as the young man looked at her. She had unusual white hair that was in a long ponytail and strange green cat like eyes. Her face was pale as moonlight, and her clothes were grey, black, and white. Black pants covered her legs, and on her upper half was a black tanktop with a grey and white jacket over it.

"What's your name?" He demanded.

"I'm temporary number seven, Silver Cat. I will be your assistant Train; I will do my best to assist you." She whispered.

Her head lowered when she saw the blonde woman approach her with a box. "Silver Cat, you will fight with this, Hades other part, a sword. It's the opposite of Hades, but they both need each other. This blade is called Zeus the God of Heaven."

Without hesitation, the girl took it, determination was in her eyes.

"Welcome Silver Cat." The woman said before she started leaving. "I'll leave you two alone to get to know each other." She said before disappearing out of the room.

The two stood in silence without saying a word, but it was broken shortly. The girl coughed and dropped her sword, to quickly cover her mouth and grab her stomach as she slowly kneeled to the ground. Without hesitation, Black Cat grabbed the sword before it clattered to the ground. "Why did they make you my assistant?" He asked saying the word assistant with venom. "I don't need anyone."

Standing up, green looked into yellow. "It makes me wonder as well. Why would they partner you up with someone like me?" She stood and took the blade from him. "I won't slow you down." She said as she hid her left hand. "I will keep up with you."

"And I won't slow down for you." He told her as they looked into each other's eyes and then quickly turned.

A few years later

Quietly two people sneaked through a mansion. She's slow. Thought Train. I don't even know her real name, why didn't she tell me? He stopped to see if his assistant was there. She's behind this time, why is she so slow today?

"Black Cat, watch out!" A yell from behind him said. Silver passed his face as it hit something before him. Blood splattered on him and he saw the man they were to erase, dead before him. "Quit worrying about me Thirteen, and look ahead. You could have been killed. Remember, you're my front eyes, while I'm your back eyes. Don't ever wait up for me. Understand?" She yelled and then quickly turned as if she had heard something, and then her sword clattered to the floor. "Train…" Silver gasped. Everything had gone quiet after her words as everything happened in slow motion. A loud ban was heard as he slowly turned.

He turned to find only a simple hand gun pointed at her right shoulder, smoking. "Silver!" He caught her as she fell back, "You idiot, if you knew about that guy, why didn't you give me a hint?" Train practically yelled at her.

"I promised not to put you in any danger, Thirteen. I'm sorry I was so weak." Her eyes fluttered close and her breathing became quick, short breathes.

Gold eyes became angry and took in the whole scene before them. "I'll kill you for hurting her." He whispered harshly and then placed Silver down as he picked his gun up and pointed at the guy's heart. "I'm here to deliver some bad luck, good bye." He said as he pulled the trigger.

A few hours later

As the brown haired man walked through the Chrono Number's hideout he held the white haired girl in his arms, blood soaked his shirt and covered his hands. "Help her." He told the blonde woman with the numeral number one on her forehead. "Now," he demanded, "Or I'll quit."

A/N: I know, it's short. Don't get mad for it. R&R, please!