One night, you feel bored at home, and decide to play with your friends outside. However, when you are wearing your jacket and ready to open the main door of the house, the voice of someone who is melodious and gentle but firm is heard behind you. That is your older brother, Hyun-Ki.

"Where are you going? Haven't you noticed the time? It's already late at night. You are a girl, it's not good to go out at night like this. Come on, go back to your room or I will punish you!"