»Introduction: The Characters

Kim Joonmyung is the CEO of three highly successful companies. Among them is KSX Apparel, a top design company that specializes in formal attire. He has decided that it was his time to retire and is planning on letting both his sons inherit a company each, one of his grandsons inheriting KSX, and the other grandson inheriting a sum of money to build his career. Of course, both fathers are rooting for their son to inherit KSX since it is worth a lot more. 

Kim Myungsoo, grandson of Kim Joonmyung and son of Kim Jungshik, is known for his promicious behavior and is not taken seriously by the employees of KSX Apparel. HIs father is pushing him to marry the daughter of the Son's Textile Company for he knows that Grandpa Joonmyung has a soft spot for her. 

Kim Howon, also referred to as Hoya, is the second grandson of Kim Joonmyung and the son of Kim Jungshin. He is very determined to become the CEO of KSX Apparel. 

Lee Sungyeol is Naeun's English tutor. Naeun believes that he is a milk delivery boy when in fact, he's the owner of a South Korean dairy company. He's also Myungsoo's closest friend and is vice president of KSX Apparel. 

Son Naeun is the biological daughter of Son Baekho and Son Sejin.

Yoon Bomi is the daughter of Sejin and step-daughter of Son Baekho.