Yang Yun is a girl in the third grade of junior high school. She has a group of good friends who agreed to take the first high school entrance examination together. She also had another promise. She worked very hard for this promise and got into No. 1 Middle School with the first score in the high school entrance examination. However, she turned around and went to another city. When she came back nine years later, she found that everything had not changed.
Intention: True love in the world