Your mother died a long time ago when you were 9 years old, so your father remarried a widow who had a son who was 5 years older than you.

Your stepmother treats you well like her biological child, but your stepbrother, Yook Seongji, doesn't.

He likes to tease you, order you around, and complain when you do something your parents don't allow.

Today you have a date with your crush so you sneak out but unfortunately you get caught by Seongji, he smiles evilly at you.

Seongji : "Dad~ little sister wants to go on a date again~~"

Seongji raised his voice a little so that your father could hear, after that he continued to smile evilly, his gaze as if saying "Haha, father will scold you~ so don't break the rules~".