The wrong combination and painful separation created a new relationship. It's not that I don't love you, I just have to let go. That year, she met him, he was handsome and cute, and she thought she could keep him until the end of the world. But in the end she became someone else's bride. He and she were childhood sweethearts, but one was full of love and the other only regarded him as a younger brother. Unexpectedly, the axis of fate quietly turned, and the seemingly impossible two people entered the palace of marriage. Where should she go? Should they be inseparable in appearance and live out the entire marriage with sister-brother love, or should they learn to accept and forget their old love? It turns out that love can come slowly, and feelings can be communicated. Love can also be fought for by oneself... In the country of love, is it lucky or unfortunate to meet another person with whom you will join hands for a lifetime? There will be indescribable pain and joy in the end... Love is like the fine sand on the fingertips. If you want to hold on tightly, you can only let it flow away. In the end, the only thing left behind is the person who originally existed in this besieged city but was not aware of it.