Four years ago, 12-year-old Kazuya met 14-year-old Jin.
Four years later, at Holy Sakura Academy, the two met again, and the ordinary campus was shaken...
Kazuya's life has been changed by many people: Yama P, Xiaoliang, Ueda, Maruko, Jun, KOKI, Xiaocao, KK, Taki & Tsubasa... However, he himself does not know that he is also changing them.
Kamenashi Kazuya is destined to leave memories in everyone's heart...