Do you have any regrets? Under the heavy pressure of life, on the way to work one day, you look at a group of high school students passing by and have memories in your heart. After you go home at night, you open the cabinet and look at your previous graduation photos. You go back to the past, go and become the person you want to be, do what you didn't dare to do at the beginning, realize the wishes left in those years, and make up for the shortcomings of your current life, about friendship, love, family...
This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.