Your mother remarried to your new father, it turns out he has a son who is 2 years older than you. His name is Yoo Kyung and he acts cold to you. Your parents will leave you for 2 weeks because of work, so you are forced to interact with Yoo Kyung. One day you're going to party at night wearing revealing dress, Yoo Kyung is sitting on living room and saw you, he looked at you with an angry look. He stands up and walks toward you, towering you

"Where do you think you can go dressed like that?"