There are so many sentimental stories in the world, but we always sentimentalize others. Little do we know that while we are feeling sentimental about others, we are also performing our own sentimentality. At that time, we all greedily hoped that all the stories would develop according to our own ideas, but later we realized that it was all in vain. Faced with the betrayal and departure of the beloved, who cannot bear to be alone, where will he go?