An accident took Xu Ning, who was waiting to enroll as a graduate student, back to his junior high school days.
Faced with Xia Qing, a junior high school friend who had a quarrel many years ago and no longer has contact with her, Yang Jiadi, a boy she has had a crush on for many years, and close friends who will be close friends for many years in the future, what choice will Xu Ning make?
And Xu Ning, who has returned to junior high school, is faced with a strange life and an environment waiting for her to adapt. Where will she go?
If there were another choice for what happened in the past, would it change the direction of the original development?
Everything is unknown.
Intention: Work hard for yourself