Yuni is a 19 year old girl who would do anything to save her little brother's life.

Minwoo, who is Yuni's little brother, was diagnosed with cancer on July of 2012.

Unfortunately the doctors could not do anything about it, He was on the last stages and was about to die.

As a desperate act, Yuni decided to go with her best friend's advice and get help from the devil.

She met him and he asked her the unimaginable

''be my son's slave''

Yuni agreed.

The only problem is that Kris doesn't like Yuni and Yuni doesn't like him either, which will complicate everything..

They will have to pretend to like each other to make the Devil happy and save Yuni's little brother..

will they like each other at the end of the day?

will they break the contract?

Will they fall in love with each other?

characters

Name: Yuni

Age: 19

Funny, bubbly, nice and loves her family.

Name: Wu Yifan (KRIS)

Age: real age (1,000) looks like (21)

Cocky, all the girls want him, funny, doesn't like Yuni.

Name: Rain (DEVIL)

Age: real age (billions of years) Looks like (31)

Evil, cocky, sometimes funny.

Name: Jang Eunji

Age: 19

Yuni's best friend, crazy, funny and nice.

(more characters will appear throughout the story :D )