Su Qinghe's first sixteen years were smooth and prosperous, but she had a friend who was a purebred unlucky guy named Xu Musheng.
Xu Musheng is always the last one to leave school.
Xu Musheng never speaks more than one word to anyone.
Xu Musheng always wears the oldest clothes and stands on the highest podium.
Until she picked up Xu Musheng's diary, and in the process of returning it...
Purpose: There are good and bad people in the world, just choose the friends you think are right, because this is your own life.