Lin Ke and Shen Huai have known each other since high school, and then fell in love.
One is a science major who is good at science but chooses liberal arts.
One is a bastard who knows everything.
From their stories, you will long for or miss that period of youth, and you will see your own shadow.
"I hope that when I look up, I will be in your eyes."
Purpose: Retrieve that period of youth