Yeon Jieun was just a bubbly girl who lives an ordinary, peaceful life. However, her life changed after meeting that person, who she named as "Devil".

They argued and had a bad impression of each other when they first met. Yeon Jieun and Shim Changmin hated each other and pranked each other often. Never once did they thought they will fall for each other.

Yeon Jieun who noticed it tried confessing to him but she encountered troubles. 

What will Jieun do when Donghae come back? What will Donghae's reaction be. 

Will Jieun be able to encounter all those troubles?

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"You pig, elephant,turtle!"

"What did you say?!"

"Come, i'll carry you."

"N-no, i dont need your help"

" Dont be so stubborn" he said and piggy-back you."you dont need to act tough infront of me"

"Yeon ji eun!"

Your eyes widened in shock."O-oppa."

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Yeon jieun (you), 16 years old

-You are a cute and bubbly girl. Although you looked weak and innocent , you are actually really strong and mischevious. Sometimes,you are a BIT violent to someone you dislike. You are always teased by the devil.

 Shim changmin, 16 years old

- He is an arrogant and playful kingka. He may looked cool and others but he easily gets jealous.He is kind of childish sometimes. He LOVES eating but never gets fat. He loves to tease jieun and annoys her. 

Dong bang shin ki

-They are the kingka's together with changmin. They looked cool and wise in public, but acts like a child around Jieun and Secret.They are really nice and fun to be with. 

Jung yunho- the calm and charismatic leader but actually has lots of aegyo, ( 18 years old)

Kim jaejoong - The beautiful(?) nagging mom.He is good at cooking so he always cook for the five of them.(18 years old)

Park yoochun- The erted cassanova. He is a player and is professional when dealing with girls but when it comes to study? Not very sure.(17 years old)

Kim junsu- the innocent smilling angel. He is always smilling and is so pure. (17 yeard old)

Shim changmin- the devil........(16 years old)

Lee donghae, 17 years old

- He is a cool and quiet type of guy. He is often shy too.He went to canada to continue his studies due to his parents business and was shocked to find out that........

Secret (16 years old)

- They are Jieun's best friend. 

-Jeon hyosung- The "scary" mother and is the oldest. She is totally scary when angry and never loses when arguing. She also nags a lot.

-Jung hana - The boyish friend. She is the calm type of person.

- Song jieun-  She is the cute and caring sister to Jieun. She has a great voice.

-Han sunhwa- the choding friend. She is like a little kid who loves to joke and play around. 

There will be other characters too!

Here's the trailer: