Main CP: Lin Chen is an ordinary boy and a top student. It looks like a flower on a high mountain, but it is actually rich in inner drama. You Tao is an ordinary girl who pretends to be a top student. A grain of sand among pearls, a passerby in a sea of people. Lin Chen is cold and caring, while You Tao is shy and serious. The high school Chinese teacher required everyone to keep a diary, so he created this secret love diary that records his youth. ——Deputy CP: Zheng Nanluo is a two-dimensional otaku and a bad student. Xiang Beiyi is a violent tomboy and a top student. We met by accident, and we stumbled to the end of our lives. ——This article is sweet, extremely sweet, and not cruel at all. Two-way secret love, no car accidents, no amnesia, no abortions, no dead people, everything is just right, everything is very familiar. Ordinary, indifferent and warm, this is our youth.