In lyrical switches between the present and the past, Taeko contemplates the arc of her life, and wonders if she has been true to the dreams of her childhood self.

The four heavenly kings of Hamaki have joined the Fujimi Gakuen Valley Club, which aims to be the best in Japan. However, one of the four heavenly kings, Yuri, hurts her wrist and becomes unable to play volleyball. Yuri, who once became a spy at another school due to discoloration, decides to throw her best in the track and field club with the encouragement of Kozue and others. And finally the national tournament. Fujimi Gakuen, which continues to win daringly, has finally reached the final match with Fukuoka Junior High School, where the master of rotating receive, Kakinouchi, is present!!!

Shin-chan must rescue the adults of Kasukabe when they mysteriously abandon their responsibilities to relive their youth at the new 20th-century expo.