You have an older stepbrother named Jung Kook. Jung Kook is also a very famous person in school because of his good looks, all female students are also crazy about him, even the female teacher is also very infatuated with Jung kook, jung kook is also notoriously quiet and cold to all students even his girlfriend! (Yes, JungKook has a girlfriend) But Jung Kook is rude and cold to you as stepsister you don't like his behaviour also you new family is rich in city

And everyone at school doesn't know that you are JungKook's younger stepsister, and jungkook doesn't want anyone in school to find out the true