One summer day, a group of sixth-grade boys have an argument about whether fireworks are round or flat when viewed from different angles and embark on a journey for the answer during the annual firework festival. Meanwhile, one of their classmates, Nazuna, is troubled by her parents' separation and decides to choose one of the boys to run away with.
Megumi Okina
Yuta Yamazaki
Takayuki Sorita
Kenji Kohashi
Kuniko Asagi
Ken Mitsuishi
Hajime Yamazaki
Kanako Fukaura
Tomorowo Taguchi
Mitsuko Ishii
Yôko Nakajima
Toshiya Sakai
Yoshikazu Ebisu
Fushimasa Kobayashi
Reiki Koyama
Randy Havens