The film is adapted from the autobiography of Haruki Kuriu and tells a true story of Haruki Kuriu's elementary school days. After being expelled from his original school for mischievous behavior, Xiaodou comes to Ba Xueyuan. Under the care and guidance of Principal Kobayashi, the "strange" little bean in the eyes of ordinary people has gradually become a child that everyone can accept.
The film is adapted from the autobiography of Haruki Kuriu and tells a true story of Haruki Kuriu's elementary school days. After being expelled from his original school for mischievous behavior, Xiaodou comes to Ba Xueyuan. Under the care and guidance of Principal Kobayashi, the "strange" little bean in the eyes of ordinary people has gradually become a child that everyone can accept.