Xiao Youjiu, who is introverted, quiet, and not good at socializing, doesn't know why, but he only opens his heart to Xiao Min.
The outgoing, lively and cheerful Xiao Min is a naughty boy in the eyes of teachers, a good friend in the eyes of children, and a little devil in the eyes of parents.
He only plays with Xiaomin, otherwise he will stay in a corner alone. And he, for him, would rather give up so many friends, but still stay with him and accompany him every day.
Two little people spent their happy childhood holding hands every day.
But they never imagined that an accident would happen to them...
Since then, Youchan has followed his parents abroad and has never seen Xiaomin...
Can their childhood bonds shape their lives? Can the fate of this life continue after all the prosperity...