Krystal:
Lead actress, boxer, drummer, black belt girl, super intelligent, cute and picky girl
Rachel :
Bestie, dancer, hot girl, funny, classmate
Mr Han:
Step father, adopted Krystal, famous business man, generous man
Mrs Han:
Step mother, super fashionable, warm hearted, have a pressing urge to have a daughter that is why adopted Krystal
Mr Kim:
Father of Rachel, best friend of Mr Han, business partner
Mrs kim:
Housewife, pretty fashionable lady
Han ship hoo:
Step brother, naughty and arrogant, becoming a doctor, wish to become a homeroom teacher