This is my first fanfic... so I hope you like it..(so sorry if the stories are boring)

The story:

Mikan Sakura, 18, a young detective that vowed to capture a thief called BLACK CAT that happens to be her best friend, Natsume Hyuuga. She then chasing after him to find out the truth about his life, their friendship and to claim back the bracelet he gave her before she moved to Swiss 12 years ago…what will happen to both of them?

Disclaimer: I don't own Mikan Sakura, Natsume Hyuuga, Ruka Nogi, and Hotaru.

The thief of Heart.

Chapter 1: Goodbye, the appearance of BLACK CAT

Year 1996, Winter in Kyoto

A little young Brunette, Mikan Sakura(6) is playing with a Raven-haired boy, Natsume Hyuuga(7). They are playing in the soil in the park.They look very happy. The little brunette's playing cheerfully with her best friend. That is, until she remembered something..

"Nee..Natsume..I'm moving to Swiss tomorrow night . And later I'm helping my mother packing we're departing tomorrow night , so today…today is the last day we can play together.." Said the little brunette, showing sadness in her eyes. The Raven-haired boy with crimson eyes is starting to throw snow balls to her face.

"Natsume!!" Mikan is rubbing her nose.

"Shut up,little girl..." Said Natsume while he was putting his hand into his pocket.

"Natsume, what are you doing?" Said the brunette curiously.

"Here.."Said Natsume while giving something to Mikan.

"But! This is.." Said Mikan shocked after she saw a bracelet with 3 blue-aqua diamonds around it, that she recognized.

"This is the bracelet your mom left for you!!" Mikan said with angry yet soft intonations.

"Before my mom died, she told me to give this bracelet to someone I loved the most."Said the raven-haired boy. He was slightly blushing.

"Take it or leave it little girl" Said the boy after he got a hold of his emotions.

"Ooow..Natsume..you're so sweet….Thank you…" Mikan said happily, she really appreciate the kindness of her friend that doesn't come often.While she lost in her own mind,

"Mikan-chan!" Suddenly there's a voice that calling for Mikan.

"Mom! hah...I guess I should go Natsume…Come see me off at the airport tomorrow..OK?" Said Mikan with sigh.

"I will" said the boy with smile in his face.

"Promise?" said the brunette.

"I promised..Now go..little girl..before your mom leaves you behind" He smiled at Mikan.

"Tee..hee..OK..bye-bye Natsume..Make sure you come!" Said the little brunette cheerfully, hoping that her best friend will come and see her off with smiles.

The next day, night, Mikan's departure time.

Mikan was waiting Natsume to see her off for a long time now..But Natsume hasn't shown his head at all. Mikan was really sad, she though that her best friend forgot all about today..

"Mikan-chan, The plane's departing soon..let's go." Mikan's mom said with smile. She knows that Mikan is really sad right now.

"Sorry to make you wait..mommy..daddy…It's just Natsume hasn't come yet" Said Mikan with gloomy face.

"Maybe he has something to do.." Mikan's father tried to cheer the little brunette.

"Maybe..sigh..OK..let's go.."Said the brunette, tried to smile. But she can't hide it..her heart is crushing into pieces. She really want her best friend to come.

When Mikan and his family walk into departure door, suddenly A boy with Crimson eyes is shouting for Mikan's name while holding bouquet of Roses. Roses are Mikan's and Natsume's favorite flowers.

"Natsume!" Shouted the little brunette before the departure door closed.She's so relieved when she saw the boy.

The Little boy heard her cute voices and run towards the departure door. But, the door was faster than him, so he Threw the roses towards her and slipped through the door. A security police was coming towards him, so he didn't have much time to speak.. Mikan didn't really hear what Natsume said..But she is very sure that the end of his words.. there are words..

"I love you".

When Mikan tried to go to the door again, Mikan's father stopped her.Mikan let out tears while seeing her one and only best friend got separated by her…she let go of the roses, and the petals are showering her sadness..Natsume watched the plane that supposed to take Mikan to Swiss..He's letting out some tears..But, Those tears aren't for Mikan only..He lost two people than have meanings in his life..

And then..

12 YEARS LATER..

Year 2008, Tokyo,spring

Mikan Sakura, age 18 is now a detective, because she has a really strong belief of Justice, and maybe with become a detective, she can reunite with her best friend, Natsume that has moved somewhere she doesn't know.She tried to contact him, but, he even changed his phone number. Does he already forget about me? Mikan is thinking to herself.

She got a new friend now..They are..Hotaru Imai(18), Mikan's friend, a policewoman and Ruka Nogi(18), a policeman.They are helping Mikan to fight crime..and to found her best friend.

'Black cat' is a thief that caught Mikan's eyes this days.

He's a thief that really mysterious. His identity is unknown. He's in action whenever the full moon is around, At 10 p.m, he sent invitation whenever he wants to steal something, but he only mention strange clues about the things he want to steal.

It's only clear one thing…

BLACK CAT ONLY STEAL FROM BAD PEOPLE AND SPECIAL PEOPLE

Now..The next victim is...none other than Mikan Sakura.

Next Full moon night,The time mentioned in the invitation,near Mikan's home.

BLACK CAT has sent Mikan a clue about the thing he want to steal.

"Dear Miss.Mikan Sakura, I want to inform you that by the next Full moon, I shall take your special thing.

The clues are : A light blue sky in clear water shows three Goddess with rainbow.

Until next time.

BLACK CAT "

The letter made other police confused, but not to the professional detective, Mikan Sakura, the next victim. She knows that her beloved bracelet will be stolen by the one and only BLACK CAT.

10.00 P.M is almost come.

3 minutes again..2 minutes again..1 minute again..

"3…2…1…." Mikan is counting the seconds.

On exact 10.00 p.m , suddenly the window glass breaks.

PRAANGGG!!

Every police are surprised that BLACK CAT was already there holding the bracelet that supposed to be locked at a strongbox in her room guarded by 5 police mans. BLACK CAT must be took down all of them.

Mikan knows that he must be escaped from the roof next to her bed room's roof, so she's jumped to the roof, chasing after him and jumped in front of him.

"Give me back my bracelet, you slick thief!! I will throw you to jail! " Said Mikan really
mad.

"Why are you stealing people's stuff?! Answer me!! "Mikan continued her words.

"Listen.. " the alluring voices made Mikan payed him a close attention.

"There's something in this world that you shouldn't know yet….Little girl.."Said the man that has his mouth covered and jumped really high to get away from Mikan, leaving Mikan into shocked period after she heard what he just said. She let BLACK CAT escaped, and that was the first time the great detective Mikan Sakura has ever failed to catch a thief..

Mikan's thinking to herself…The only one that called me little girl all of this time is just one person…,then she stop thinking and before BLACK CAT disappeared,she shouted him some words..

" Someday, I will capture you Black cat !! Just you see!! You can run, but you can't hide from Mikan Sakura, the detective!! " Mikan shouted at BLACK CAT, he was already far, and she's not sure wether he can hear her or not, but BLACK CAT turned his head and return her words..

"Just try!" Then he disappeared into the darkness.His Image with the shadows are completely alike..

Mikan then muttering to herself after she saw BLACK CAT disappeared into the darkness like some magician..

"Natsume.."

To be Continue..

Well, That's the end of chapter one

Hope you like it and wanna Review to me

I'm still new here.. hehe..

Sorry..my English aren't so good, so sorry if there's mistakes on the grammars

sorry!!

And..

Thank you so Very Much