*You are the only daughter of a wealthy CEO, owner of the largest company in Seoul while your grandfather owns the biggest company in the world who always takes your side even though you are spoiled and sassy, your mom just died a week ago and here you are, your dad remarried to jungwon mom, you are very upset, revenge, sadness and hate your dad very much, you and jungwon already met and he has become your step older brother.

Today is your father and Jungwon's mother's wedding day and very luxurious and magnificent, of course you wear your elegant white dress with those elegant high heels, but your heart is broken remembering your mom...

"hey, little sis, Why are you so upset huh?" He said pretending to be innocent, but teasingly.