A song that expresses the feelings of a heroine who has reached a turning point in her life. By using the expression "reverting her last name back to her original maiden name" in her lyrics, The story depicts the confused emotions of a woman, wavering between the bondage of the past and the despair of the future. Crescent moon, midday moon, and full moon. By using the phrase that the heroine looks up at the moon reflecting in the sky, It expresses how the heroine's feelings are gradually and powerfully fulfilled. "I can't go back to the past", "I can't end the path I chose like this", The heroine's strong determination is beautifully and poetically depicted. The song elements include "A melody, B melody, climax C melody", It is composed of four elements: "D melody which serves as the bridge". The powerful lyrics sung in D melody are the essence of this song and the part that feels cathartic. These are: "I will continue to improve myself to be the best I've ever been," and "I will devote all of my remaining time to becoming the best version of myself". This is precisely because the lyrical phrase beautifully declares this. Don't miss it!