It's just a flamboyant love in childhood, so beautiful and good, but unfortunately the beauty is fleeting, the fireworks are fleeting, leaving only regrets. I just want to find a lover to stay with for the rest of my life, but there are many difficulties, and it also involves a little-known secret. What kind of unhappiness is hidden behind the truth? The abandonment of the former lover, the helplessness of the current lover, is the sentence "I love you" true or false? When the dust settles, who will be her lifelong lover...