JUNG SISTERS AND KIM SISTERS. 

They are cold and a bit mean with stranger. But not with their bestfriends or family. They are still young. Jung sistars and Kim sisters are will study at SM University and SONE High School. Jung sisters are live together at apartment same as Kim sisters. They want to life like normal people with no maids, not bulter and no drivers. Jung sisters and Kim sisters are hot, gorgeous, beautiful, smart, cold heart, cold around people, scary, and y. They are will smile, cheerful, dork, choding, whine, aegyo and etc with their siblings.

WU BROTHERS AND BYUN BROTHERS. 

The are bestfriends since kid. They are still studies who study at SM University and SONE High School but they still work at they company. They are Kingkas at Collage and School. Many girls or boys really in love with them because they so handsome, smart, profesional, warm, polite, troublemakes, choding, bicker about anything they want and whatever. They are living under one house together because it near at their collage and school. If they want to release stress their will go vacation together and become choding, kid , whine and kkab. Its really hard to control them if they behave like this.