Overview
Synopsis
After his mother's death, 16-year-old Hyung-ju suspects that his father is not his biological father. A secret paternity test reveals that he is not. Confused, he uses his math skills to figure out his biological father and embarks on a journey with his best friend, Ji-su, to find him.
Genres
Drama
Cast
Cast
Jeong Da-min
Hyung-ju
Kim Se-won
Ji-su
Kwak Min-kyu
Min-hyu
Lee Gi-mun
Seo Suk-kyu
Kim Il-du
Woo Yeon-seo
Min-joo
