If life is just like the first time you met, you will live up to your love and your love. The regrets of youth are common. The white moonlight on your life path also illuminates a part of your journey. Although the years have left no trace, your heart has already engraved the imprint of him or her. It is like first love, and you regret meeting each other late... In fact, this is not so much a novel, but the process of each story is different, only the ending is the same, and what is expressed is nothing more than two words "regret"...