Love Line is a sweet and romantic song by South Korean artists Hyolyn, Bumkey, and Jooyoung. The song revolves around the idea of a love line, where two people involved in a relationship are always connected through an invisible line of love. The lyrics express the desire for the two people to share their feelings and thoughts openly with each other. The song talks about how the person wants to hear the voice of their loved one and wants to be connected to them no matter where they are. The lyrics also express a fear of losing the connection and the desire to maintain the relationship. The melody of the song is light and upbeat, with a catchy chorus that emphasizes the importance of the love line that connects the two individuals. The vocals of each artist blend perfectly together, creating a harmonious and satisfying sound. Overall, Love Line is a beautiful song that highlights the importance of communication and connection in a romantic relationship. It encourages couples to keep the love line intact, always communicate with each other, and be there for each other no matter what.