 This drama served as a reunion for Lee Min-ho and Kim Sung-ryung, who had son and mother relationship in the 2013 SBS hit drama across Asia, "The Heirs", for Lee Ji-hoon and for Shin Hye-sun who debuted together in the 2012 KBS2 hit school drama "School 2013" as well as Jun Ji-hyun, Hong Jin-kyung, and Na Young-hee who previously worked together in the 2013 SBS hit drama "My Love from the Star".Due to the star power of Lee and Jun, the series maintained the first-place ranking for its timeslot and surpassed 20% viewership ratings.The series also fared well overseas, having been exported to all major regions around the world, including Southeast Asia, the Americas and Europe.