When it's sunny, the moon is bright, and when it's cloudy, the moon is bright and missing.
He is a sunny boy. He has grown up in ten years. Is his warmth still there?
She is a girl who is cold on the outside but warm on the inside. After ten years of transformation, is she still warm on the inside?
Meeting each other in youth, waiting silently for ten years, is it unwillingness, stupidity, infatuation, or uncontrollable love?
Coincidence is chance, and fate can create the unfinished story.