The song "Break Up" by U-KISS is about the ups and downs of a romantic relationship, and the confusion and frustration that can come with it. The lyrics express the feelings of uncertainty and longing for a partner who may be sending mixed signals. The singer conveys their desire to be with the person they love, and their willingness to continue pursuing them despite the challenges they face. The song expresses the emotional rollercoaster of a tumultuous relationship, using imagery of a game and a maze to represent the complexities and uncertainties of love. The lyrics also touch on the theme of control, with the singer feeling as though they are constantly trying to keep up with their partner's pace. Overall, "Break Up" portrays the struggle and determination to hold on to a relationship, despite the obstacles and uncertainties that come with it. It also conveys a sense of resilience and determination to continue pursuing love, even in the face of potential heartbreak.