Gung Bi-chwi (Female, age: 28)

Eldest daughter. She has style and a perfectionist personality. She dreams of marrying a rich young man and living in the lap of luxury to reverse her fortune. She begins to date Young-guk who boards at their home and is also a regular customer at the restaurant where she works.

Gung Sang-shik (Male, age: 55)

Pi Hye-ja (Female, age: 55)

She's the mother of four children and is full of vanity while causing trouble all the time. She is always buying dresses and jewelry that she cannot afford, creating headaches for her children.

Gung Ruby (Female, age: 26)

She is a nurse and Bi-chwi's younger sister. Like her sister, Ruby is also determined to marry a rich guy and no longer be poor. She's pretty and has a meticulous personality but constantly bickers with Kyle, who is boarding at her home. They develop feelings for each other amidst their quarreling.

Gung San-ho (Male, age: 25)

A law school graduate who is preparing for the bar exam to become a state prosecutor. He's a quiet person who always listens to his parent. As the eldest son, he is a pillar in the family. To help the family finances, he gives up his room to let Kyle, a paying tenant, live there and shares a room with younger brother Ho-bak. He falls in love with Kang-ji, a friend of Ruby.

Seo Roma (Male, age: 62)

He is a self-made millionaire who is worth 20 million dollars. He made his fortune by starting his own company. He's very strict towards his children and makes his son Young-guk move out the house to toughen him up.

Seo Young-guk (Male, age: 30)

Son of Yeroma chairman. He is handsome and disciplined but looks nothing like the image of a dashing scion of a wealthy family. At his father's urging, he starts at the bottom in society to work his way up and gain valuable experiences. He pays for room and boarding at Bi-chwi's family home.