Zhang Yujie as Park Nara

She is Dara's daughter. 5 years old. Really want to go to school. She is really smart, talkaktive and bubbly. And Super Duper Cute.

Park Sandara as Park Sandara

Park Nara's bestest mom.  She was left by her boyfriend when she is pregnant with Nara. She is the Area Manager at Kwon Corps and become the Finance and Operation Director after winning the project.

Kwon Jiyong as Kwon Jiyong

He lost his wife and child 5 years ago due to an accident he experienced. He went to Japan to heal, a week after the funeral. 5 years later he return to Korea after he realized that he can't become coward forever and run from his wound. When he meet Park Nara for the first time, the little girl remind him of his unborn baby girl. And he fall in love with that little girl instantly. In the other hand, he has another girl who was introduced by his mom to become his future wife.

Goo Hara as Goo Hara

A young talented designer. She was trusted by Hyeji Kwon-Jiyong's Mother- to be Jiyong's lover. She can't thankful enough because the first time she met Jiyong Kwon, she fall for him. She know that Jiyon