Lee jieun (you), Jung daehyun , Byun baekhyun , Park myungsoo and  Yoo kimbum are childhood best friends. 

They are always playing together and hanging out with each other. 

Their parents are friends, so they knew each other since they are very young and grew up together.

Until one day,

Jung daehyun had to move to America and continue his studies due to his father's bussiness.

Both of them then made a promise , to never forget each other and to meet each other again later......

The truth is, both of them made another promise, but didnt say it out loud.

That is...........to marry each other when they grow up.

Will they keep their promise?

What will happen when they meet again?

What will their relatonship be? 

especially when their personalities are different compared to the past

READ TO FIND YOUR ANSWERS!

CHARACTERS:

lEE JIEUN: 17 years old

When young: She is a very shy and feminime girl. Bubbly and smart. Although she is looks weak and others, she is a very strong and tough girl.

Now: She is boyish.She is extremely strong and knows karate.She never lost to anyone except for that person. She is well known at school since she hangs out with the kingka's (baekhyun,myungsoo and kimbum).That is her personality with others but with the ones she is close to? She is still the same jieun.

Jung daehyun:17 years old

When young: He is a kind and was like a prince charming to every girl. Only he was able to win Jieun, but he always let her win. 

Now: He is a playboy and a VERY mischevious boy.He is extremely popular for his looks and studies. He dates and dumps girls anytime he wants. He is bad at expressing his feelings. Deep down he is still the same daehyun.

Byun baekhyun:18 years old

He was still the same since young. He has a smile which can melt every girl's heart. He is caring and understanding. Has a secret crush on jieun. He knew that jieun just think of him as a friend. He didnt intend to confess to her but when daehyun appeared,he was determined to win over her heart.

Kim Myungsoo (L):19 years old

He was a quiet and mysterious guy. He uses actions to express himself.He is like your father He can be really scary when he is angry.

Yoo kibum:19 years old 

He is oldest but not basically the most mature out of them all. He is like your over protective big brother. He loves to flirt and nag. He is always cheerful with you but with others? he acts cool and wise.

Other characters:

Yoo inna: 22 years old

She treats you like you are her sister.She is supportive and is Yoo kibum's sister. She opens a small restaurant and often cooks for all of you.

Park Jiyeon: 17 years old

She is your one and only best friend. You met her not long after daehyun left to america. She is not that feminime but she cares a lot about appearance.

There will be other characters coming out...................

Wanna see the trailer?