Chen Nian and Lin Susu have been neighbors since they were 7 years old. They were admitted to key junior high schools and then to key high schools together. They accompanied each other on the road of growth. This is how they graduated from high school. They originally planned to confess their love on Lin Susu's 18th birthday, but Chen Nian died on Lin Susu's 18th birthday.
Purpose: Regret is the normal state of life
