Kwon Jiyoung .

-24 years old

-future CEO in his dad company . 

-got a girlfriend . an artist . no one knows about this , except his bestfriend youngbae .

(you'll know who is his girlfriend^^)

-owns a black ferrari that he loves/cares the most .

-workaholic . but his girlfriend doesnt care about it . she just need some money . because she is not too famous .

-he obeyed all his parents order . he is a good son .

Park Sandara

-24 years old

-a genius . graduated from oxford .

-she's a wild girl . stubborn .

-hate jerks . she seems cold to strangers , but the truth is , she is really a friendly person . she dislike working . 

-bestfriend ? she got no bestfriend , when her one and only friend died because of a heart disease . she began to act cold with strangers .

-she had a boyfriend . once . but his boyfriend cheated on her . with her friend . she decided to stop trusting people . except her dad and her only dead bestfriend , bom .

-she is hated by her step mother and her step sister . (lets see who is her step sister)

-she thinks that , in this world she only have her dad , when she lost her only bestfriend .

-her dad have a cancer and just waiting for his death . he don't want her daughter to be more wild when he can't breath anymore . he need to make a change before he die .

jiyoung's dad is an old friend of dara's dad . dara's dad thinks that jiyoung can help her to be the old her . he tries to make dara meet jiyoung in many ways . but she just ignored it , she thinks its weird when her father oftens talk about jiyoung being a good man and so whatever , she hire a private investigator . she wants to know about jiyoung who is so called a good man by her father .she found something and that 'something' has make dara to get close to jiyoung  and she decided to be jiyoung's driver since her dad really wants her and jiyoung together . so , her dad just gave her a green light since jiyoung is his friend's son . but why a driver ? you'll found out soon .