Author's Note: Hello! I hate doing introductions like these, but if you know me from my infamous SasuSaku story, Testosterone Boys and Harlequin Girls, or my NejiTen story, Jikan Yo Tomare, then just skip all this. To all you new readers, I'm KawaiiTenshiCeres. This'll be my first CanonOC story for Naruto, since I think Kakashi is plain awesome. So, I hope you guys can please help me and support me! I will do my best!

Disclaimer: I, KawaiiTenshiCeres, does not own Hatenai Sora by Arashi or Naruto/Naruto:Shippuden. I only own the various OCs that appear in the story such as Koyama Sumire.

Hatenai Sora

Chapter 1: 君って/ Kimitte

"Our love has a time limit. We made a promise...Let's get married when we're older..."

Sleepy brown eyes stared up into the sky as a hand gently held a book. Leaning on the bench, a woman in her mid-twenties was simply daydreaming. She was reading some sappy romance novel that she had just purchase only two minutes ago. That's why she was reciting the first lines with a tiny blush on her face. If only she had a childhood sweetheart, who would make a promise like that...Well, it was quite impossible, since her life was pretty much normal since the day she was born.

"Listen to me say this...It's impossible, Sumire. Just...impossible." she said softly closing her eyes for a brief moment.

There wasn't really much of an introduction to this oddball of a woman. Koyama Sumire is simply one of the many jounin in the village of Konoha. She didn't have a dramatic past where her parents were tragically killed in a mission. She didn't suffer from a huge depression from a special someone's death. She wasn't treated poorly because she was different. She wasn't a Cinderella, that's for sure. All she was, was simply a smarty-pants who often kept to herself most of the time. Sure, she saw a corpse or two, but it didn't exactly affect her to the point that she would change herself. It was something more than that.

"Daydreamin' again I see?" a voice spoke out of nowhere.

"GAHHHHH!" Sumire shouted, nearly chucking her book towards the assailant.

"Woah! Are you that violent when you get scared, Sumire-chan?" that voice gasped, only to see her glare at him.

"Jeez, Gai-san. I wanted to have down-time since I have a mission tomorrow," she sighed, gazing at the man with the ultra-thick eyebrows and green jumpsuit. "It's fine. I won't get mad. Though, this book is soooooo great!" she said with a huge smile, as she hugged the book.

Plucking the book out of her hands and gazing at it oddly, Gai had slowly read the title with an odd look on his face.

"Boku no Hatsukoi wo Kimi Ni Sasagu?" he questioned. "I Gave My First Love to You? I didn't know a woman your age would read these things..." Gai trailed off. "GOOD JOB IN PRESERVING YOUR YOUTH!" he shouted.

"OF COURSE! I WOULD NEVER LET MY YOUTH GO TO WASTE! I SHALL PRESERVE MY YOUTH UNTIL I DIE!" Sumire grinned, holding up a thumb's up. "Besides, this book has everything! A guy dyin' and promising to marry his childhood friend? This is got to be the book!" she squealed. "MAN! IT'S A GOOD THING YOU AGREE WITH ME GAI-SAN!" she shouted.

"Well, at least you're not like Kakashi. You're not reading Icha Icha." Gai sighed.

Her eyes battered for a brief moment, as she shook her head. "That Kakashi. I heard that novel is packed tight with h-stuff. Not all people in this world would fantasize about going that far with some person." she groaned. "That's why I stick with sappy stuff like this."

Ruffling her tied up hair, Gai grinned at her, looking at himself at the reflection of her glasses. "I wish you luck! Don't let my rival get to you!" he said, raising up a hand for a high five.

A nervous smile formed on Sumire's face, as she slowly raised up her hand. He gave her a hard smack on the hand, making the poor kunoichi cringe in pain. Tears formed in her eyes, as she sat there trying to not let the pain get to her head. Grinning to her, Gai quickly rushed away from the girl, apparently heading off to train. Closing her book and picking it up, Sumire gazed up into the sky for a brief moment once more.

"An endless sky is there..." she whispered, before pushing up her glasses and walking off.

"G'Morning...I'm...Koyama...Sumire..."

A groan escaped the lips of the kunoichi as she absently looked at the pair that she and Kakashi had to escort today. One was an old, tough-looking old man, and a young man around her age was standing in front of the gates oddly. Their clients were a grandfather and his grandson from Iwagakure. The client pair stared at the tired woman, apparently wondering what was up with her appearance. By the looks of things, the grandson was a bit disappointed by Sumire's looks, especially since she was wearing loose clothing with heavy rips, and a pair of tights underneath, while supporting her green vest.

"I'm Okura Satoshi, and this is my grandson, Shouji. Thank you for escorting us." the old man stated.

"Please don't thank me right now. Another shinobi will accompany us." Sumire said, pushing up her glasses, noticing a poof of smoke next to her. "Ah. You're LATE, Kakashi-san." she grumbled.

A smile formed on the much taller shinobi who appeared next to Sumire. He gazed at his clients, and lightly nodded to them. Compared to the nerdy Sumire, Hatake Kakashi, was more suited to protect the duo. The kunoichi noticed the sense of relief forming on their faces. Her eyes glanced at Kakashi who gave her a friendly look, while she lightly glared at him, apparently not taking his friendly-act seriously.

"Good morning, Sumire-san." he said. "This must be our clients."

"Yes. This is my senpai, Hatake Kakashi-san. He'll be the leader, so if you have any questions, go bother him." she muttered. "Are we all set?" she questioned cocking her head, as the two of them nodded."Okay, I think we should head off now." she smiled.

"Says the nerdy chick who looks like a slob." Shouji retorted looking away from Sumire.

A sigh escaped Kakashi's lips as he smiled. "Now, now. It's still early in the morning. She's a rookie Jounin, but she's good at taking care of people, right Sumire-san?" he said.

Eyeing the jounin, Sumire sighed and hesitantly nodded. "Yeah, yeah. Whatever floats your boat, Kakashi-san." she grumbled.

Placing a hand on her head, Kakashi smiled towards the pair, as he began to walk, forcing her to walk next to him. Their clients quickly rushed to catch up with them, and was walking ahead of them. An irritated look formed on her face, as she tried to keep her cool. She should've prayed to get the mission with someone amusing to say the least...However, the other jounins were too busy with other missions that Tsunade had assigned to them, and she didn't want to be paired up with Neji Hyuuga, since she would probably be intimidated by him glaring at her...

"Now, Sumire-san. You should be more polite, right?" he said with a small smile, noticing Sumire glaring at him.

"I knew I should've begged Hokage-sama to let me go on this mission with Gai-san." she said with the utmost snobbish attitude. "Never mind. He'll scold me for not getting along with you." she said.

"At least you're more friendly because of Gai." Kakashi remarked, noticing Sumire letting out a tired sigh.

She gazed up at him quietly and hesitantly smiled. "Ha. It's fun going along with his beliefs about Youth. It made me feel like I'm his little sister. Compared to before...I assume you don't remember." she trailed off. "Anyways, nice to work with you, senpai."

Sumire began to walk ahead of him, as she casually began a conversation with the older client. Kakashi had kept a collective look on his face. His memory of Sumire was very faint. She was a Chuunin when he last remembered working with her. Even though he was in a mission with his 'rival', Gai, he remembered discovering something about her during that time. Of course, it wasn't really a huge secret, but obviously, his poor kouhai had to beg them to keep it secret from the other shinobis.

'It's going to be a long mission.' he thought to himself, as he began to slowly catch up with the three of them.