Yook Sung-jae

Two years ago, his happy life with his children was destroyed because of the actions of the Takahashi's family. Then, Kim Jae came back with a different appearance only to take revenge on the Takahashi Family, who had ruined the life of Kim Jeje, the son of Mr. Kim Jae. Kim Jae came all the way to Japan just to find the whereabouts of the Takahashi Family. Nana Takahashi a.k.a Kenkyo Takahashi who is currently named Kenkyo, is Kim Jae's main target for joining the Takahashi Family. How is Kim Jae's struggle to conquer the Takahashi girls's heart? Will Kim Jae really take revenge or will he fall for Kenkyo Takahashi's charms?