In 2008, when I (Zhang Qiming) transferred from the science class back to the liberal arts class, my former deskmate Chen Haiyan had become very strange. I thought I could continue to sit at the same desk with her, but I met Yu Jing and became my new deskmate with her... When we are seventeen or eighteen years old, friendship or love exists in our world. Let us go back to our student days together and read the confession of love...