One day, your best friend suddenly disappears from the world, and you no longer know all the news about her. She is no longer in your life, so you are unwilling to give in and search for her desperately, but there is no news. Everyone around her gradually lost news of her, and all messages announced that she disappeared without a trace, without even a goodbye. The dinner date you agreed on can no longer be fulfilled. So how would you choose? Give up or continue? The story is adapted from the author's personal experience. The story is a missing person novel. The author's inner os: If you are lucky enough to meet a tall woman named Xie Yushan, who is about 172cm tall, please tell the author, thank you.