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