The song "First Love's Law" (첫사랑의 법칙) by EPEX is about the experience of unrequited love and the frustration that comes with it. The lyrics express the confusion and pain of being the only one in love, questioning why it has to be that way. The protagonist wonders why they are drawn to the same person among many others, feeling a deep connection despite not being reciprocated. The lyrics also touch upon the struggles of trying to move on and forget about the person they love. They mention the daily effort of wearing a mask to hide their feelings and pretending to be okay, emphasizing the internal battle between wanting to let go and still holding onto hope. Throughout the song, the singer questions the unfairness of love, comparing their own difficult situation to how others seem to easily find and maintain relationships. The constant presence of social media adds to their frustration, with the mention of scrolling through the love interest's Instagram and feeling their heart skip a beat. In summary, "First Love's Law" explores the emotions of unrequited love, highlighting the pain, confusion, and longing that come with it. The song captures the universal experience of loving someone who doesn't love you back, and the struggle to navigate through the complexities of emotions.