Song Min Ah-daughter of a rich family that owns a popular company called T.O.P MEDIA..Loves to sing and dance..Lives with her sister..17 years old..Loves to eat,jokes around,and having fun..Hates stubborn people..

Song So Yeon-overprotective sister of minah..lives with her sister..Also loves to eat and joke arouund her sister...20 years old..Hates people who hurt her loved ones..

Jo Ga Eun-minah's bestfriend since 1st grade..17 years old..fun time o person..Loves sweets and loves dancing..Hates people who hate to have fun..

Lee Hae Yeon-queenka of T.O.P HIGH..18 years old..Hates noisy people and dirty places..

Teen Top- Kingkas of T.O.P High..Also a popular group in T.O.P MEDIA..