The midsummer wind of the second year of high school was still wrapped in sycamore catkins, and Su Jincheng stayed at the age of seventeen forever due to an accident... Su Jincheng's unexpected death brought an abrupt end to Xia Wanwan's youth. Those encounters in the library, the annotations in the wrong title books, and the unspoken confessions have all become eternal regrets...
Concept: A friend's experience