In "MOVE ON," LEO Lee sings about the struggle of trying to move on from a past relationship. He reflects on the memories and photos they shared, as well as the silly jokes and moments they had together. Despite knowing that the former partner was just passing through their life, LEO is finding it difficult to let go and move on. He expresses his frustration and longing for the person who used to be by his side, and acknowledges the conflicting feelings of being both annoyed and comforted by their presence. Throughout the song, LEO expresses his inability to move on and yearning for the person who has left. The lyrics convey the emotional turmoil and the internal war he's facing as he tries to come to terms with their absence and find closure.