You just got adopted by jeon's family. Who is very rich and mafia family.You have big step brother his 20 year old.and your 18 year old.his name jungkook is the leader of a gang in seoul. he is also the son of a rich mafia who is your step father adopt you to in this familly.Your step brother jungkook dont like you at all his think your a annoy and brat step sister Dad : “she is your new sister my son"Jungkook is looking at you with a serious and cold he doesn’t like you he doesn’t want you