Wendy is the daughter of 2 doctors who are rich yet very humble. Being the only child, Wendy was given everything she needs but she never brag about what she have and like her parents, down to earth. Wendy is a kind warm hearted woman with a very fun personality. She is dorky, naughty and love to play around. Her friends are Joy and Yeri. 

Irene is the daughter of a wealthy businessman who own various luxury hotels. Irene is the only child as well but she loves to use the power she got in her hands to get rid of fake people or dangerous ones. She is a definition of pure beauty but many were afraid to approach her as she has a cold outside appearance, so no one knows that she is actually such a sweetheart and a lovely woman. Her friends are Seulgi and Krystal.