Alrighty! Don't ask where I got this idea from. I had a lot of free time that day. It's a bit short, but hopefully to your liking. I hope you enjoy watching Kai learn how to baby-sit!

Disclaimer: I don't own Cardfight Vanguard.

Kai Baby-sits

Chapter 1: I hate you!

Miwa was an idiot. He was an idiot. Kai would never stop saying he was an idiot. Never. Out of all the stupid things Miwa had done, this was above all.

The idiot had somehow forced Kai into baby-sitting his sick, little sister until he came back. Kai was going to kill him.

"I want Onii-chan!" a little dirty-blond girl cried. Her face was burning with fever.

Kai wanted him too. So that I can annihilate him! Kai fumed. Where did Miwa get such an absurd idea?!

"I want Onii-chan!" she cried again.

Kai sighed. "He's going to come back. There's no reason to cry."

"I hate you!" she pointed an angry finger at the brunet.

"I'd hate you too if you weren't a kid, girl," Kai responded dryly.

"I'm seven!" the girl retorted, sniffling. "And my name is Mana!"

"Whatever."

"I hate you!"

Kai dropped his head on the table. He wasn't very familiar with kids, but he could guess that she was more bratty than others. Why did he have to put up with this brat?

"Achoo!"

Kai raised his head. That's right. He had to watch her because she couldn't go with Miwa and his parents due to her sickness. Why now out of all times did she have to get sick? And why did Miwa ask him to watch her? There were so many better choices. Tokura, Aichi, even his sister!

Kai handed Mana a tissue. Mana snatched it from him angrily and blew her nose.

"I hate you," she muttered.

"That statement is becoming repetitive," Kai responded, emotionless. He didn't care what she told him. It wasn't like he was close to her. This was the first time meeting after all.

Mana huffed and folded her arms over her chest. She refused to ask what that meant. She could always ask her brother when he came back.

They both sat in silence. Kai wondered if he should just go back to his apartment and leave the girl alone.

No, that wouldn't be right, Kai thought. He didn't like this, but it would be extremely harsh to just leave her all alone. Especially when she was sick. He may be cold at times, but that was not something he would do.

"Hey... "

"Hmph!"

"...Are you hungry?" Kai asked. Oh, how he was going to kill Miwa.

Mana unfolded her arms and looked at him with surprise. Mana frowned, He's trying to pull a prank!

"Forget it! I don't want to see you!" she shouted, running to her room and slamming the door.

Kai shook his head. What did Miwa expect him to do? He knew Kai wasn't the type to do this. Kai thought he might as well make dinner. Mana would get hungry soon.

Kai took out some ingredients and started to cook. He poured the chopped vegetables in the pot and stirred it. After making sure it tasted good, Kai filled two plates with food. Pouring cold water in one glass and warm water in another, he laid everything on the table.

Kai knocked on Mana's door. No point in avoiding the inevitable.

"Go away!" Kai heard Mana yell, her voice cracked.

"Dinner's ready," Kai stated.

No answer.

Kai sat down, leaning against the wall. He had nothing better to do. It wouldn't hurt to wait a little.

Half an hour had passed and Mana still hadn't come out. Kai didn't bother moving. He didn't care how long she took.

Mana's POV

"I hate him!" I cried on my pillow. Why did Onii-chan ask him to watch me?! He's a jerk!

I sniffed, sitting up. I wished Onii-chan was here. Onii-chan always makes me happy. I picked up a picture of me and Onii-chan. Onii-chan always plays with me when I'm sick.

I frowned. Now I'm stuck with him! Why is Onii-chan friends with him? He's nothing like Onii-chan!

"I wish Onii-chan never met him," I muttered.

Knock.

I looked up when someone knocked on my door.

"Go away!" I yelled, wiping away my tears.

"Dinner's ready," he said. Why does he care?!

I didn't want to answer. Why should I? I'm not hungry!

My stomach growled. "I have to have some snack," I said, getting off my bed. I searched all my favorite hiding places, but there wasn't anything. I sat on my bed. I'm sooo hungry!

"I'm not leaving my room," I told myself. But my stomach growled again! I covered myself with my blankets and tried to think of something else.

"When you can't sleep, think of sheep!"

That's what Onii-chan always said. Okay, sheeps.

Chocolate, ice cream, chicken, candy...

I can't think of sheeps! Mmm... I'm so hungry. No, I have to think of sheeps.

Popsicles, doughnuts, cupcakes, milkshakes... I can't do it anymore!

I jumped off my bed and ran to the door.

Third person

Mana slowly opened the door. She turned to Kai with red eyes and a sheepish look.

"You took so long the food's cold," Kai spoke, standing up.

Mana didn't say anything, looking embarrassed. Kai glanced at her from the side of his eyes. He walked into the kitchen with Mana behind him. Kai took the plates and re-warmed the food. He placed them back on the table and started to eat.

Mana hesitantly sat across from him and slowly took a bite. Her eye's widened as the flavor exploded in her mouth. She scarfed down her plate in minutes and refilled her plate.

"You'll throw up if you eat so fast," Kai said absently.

Mana blushed, realizing what she was doing. She slowly ate the rest of her food and sat in silence.

Kai finished eating and washed the dishes. This is tiresome, he sighed inwardly.

"You should sleep," Kai told her, drying the last dish.

Mana wasn't able to hold back a yawn. "Onii-chan reads me a story," she frowned.

"You want me to read you a story?" Kai asked incredulously. He knew she hated him, if that wasn't already obvious. Why did she keep bringing up Miwa? He was gone.

"I wish you would just disappear!" Mana yelled.

You'd think having a sour throat would make lose her voice by now, Kai sighed. He supposed being sick and separated from your family could make you a little grumpy.

"Look, you won't get better if you don't sleep," Kai reasoned. He didn't think she could get any brattier.

Mana frowned stubbornly. She wasn't going to listen to him. "No."

Kai felt his patience crack. He had put up with this BRAT long enough. "Go to sleep!" Kai yelled, his eyes showing anger.

Mana flinched at his tone, her eyes watery. She was used to Miwa's joking look. She was used to always getting what she wanted. "N-no."

Kai glared at her. "Fine. Do what you want." Kai stood up and left the house. He slammed the door shut. He had no reason to watch her. If she wanted him to disappear, then he would. That bratty girl could cry all night for all he cared. Miwa would just have to deal with it.

I know this is shorter than most. Sorry about that. I'll see if I can make it longer. I misspelled sheep on purpose because it's through a little girl's POV.

Review if you want.