The Ssangmun-dong Dads' Challenge is about is here! Dong-il, Moo-sung, Jae-myung, and Sung-kyun, our four Ssangmun-dong fathers, will compete for rewards. In the meantime, everyone is taken aback when Kim Seol, who portrayed Jin-joo and the final member of Ssangmun-dong, unexpectedly shows up.
