Actor Joowon, who recently played a role in the drama, "Good Doctor," has ranked on the U.S. Billboard K-Pop chart with his drama OST.
2 of his songs from the drama were seen at number 11 and 18 on the charts, showing the popularity of the songs and the drama.
"Love Medicine" features a beautiful piano melody and portrays Joowon's role in the drama very well. "If I" is a remade song of Ahn Chi Hwan's song and was edited to fit the drama more.
Joowon, who has also been known for his musical stages, was given the opportunity to sing the OST for the drama.
Internet users commented, "This drama is so good", "He is such a good singer and actor" and "I loved this drama."