The story mostly revolves around your life as a senior. 

Your parents decided to transfer you to a new school so that you can get ready for college.

You (Lee Chaejin) tried to refuse but they were as stubborn as you. But you really didn't like to be away from your best friend Yoori.

So you decided to come up with a number of schemes to get yourself in trouble. But someone keeps obsructing your plans~

That's when you realize that you may have found a worthy opponent.

CHARACTERS

LEE CHAEJIN (YOU/OC)

- Mischievous/Evil

- Loving 

- Stubborn

- Smart almost in all fields

- Doesn't know when to give up

- Maybe a bit spoiled but she treats people properly

CHO KYUHYUN

- He was once the good boy

- Likes to play around

- About as mischievous as you

- REALLY smart and a bit of an over achiever

- REALLY likes to smirk

- He doesn't easily get mad, instead he will get even

LEE SUNGMIN

- Perfectionist

- He was a nerd before

- Caring and sweet

- Ladies' man

LEETEUK

- He is your family's butler 

- Responsible

- Caring

- He treats you like a baby sister

- Funny

- A teaser. (Even if he only sees you as his sister, he will 'play' with your mind)