Irene Tuan.

A daughter of Mark Tuan. She just 6 years old but smart enough to understand which one is bad, which one is good. What she should do, and what she shouldn't do. Unmatured yet but enough to understand what her father has been faced of being a single dad to raised her. Her father need someone to take care of him and take care of her too. So, why don't suggest a wife for daddy?

Mark Tuan.

A 28 years old successful man which got countless asset with a bright and pretty daughter. He got everything in his life. He has a daughter, a very helpful parents and loyal workers with a bunch of friends. So, why do he need to accept when his daughter suggest a wife for him?

Lee Jiyeon.

25 years old girl that doesn't have a daughter or son, or husband and not even in any random relationship with some boys. She lives in a small room with a single bed and single beans couch with a plenty items that she bought from a random cheap stores. She don't have anyone important in her life and she's happy with her life now. So, why do she need to agree when a young girl ask her to be her mother and a wife for her dad?