The song "Your Favorite Song" (니가 좋아한 노래) by Jeong Sewoon is about a past relationship and the longing for a lost love. The lyrics describe the pain of the breakup and the regret of not expressing true feelings. The protagonist reminisces about the good times they had together and wonders how the other person is doing now. The title of the song refers to a specific favorite song that holds sentimental value, as it brings back memories of the past relationship. The lyrics also touch on the idea that sometimes words are not necessary to understand each other in a relationship. The protagonist reflects on the moments when they could communicate with just a look, emphasizing the depth of their connection. However, the relationship eventually ended, leading to feelings of heartbreak and loneliness. As the song progresses, Jeong Sewoon acknowledges that it is now too late to try to hold onto the past and win back the person they lost. They express a wish that the other person occasionally thinks of them, even though it may be rare. The lyrics convey a sense of longing and a desire to go back in time to make things right. Overall, "Your Favorite Song" captures the bittersweet emotions of a failed relationship and the longing for what once was. Through heartfelt lyrics and Jeong Sewoon's soothing vocals, the song expresses the universal theme of lost love.