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
Nazuna Oikawa
Yuta Yamazaki
Norimichi Shimada
Takayuki Sorita
Yusuke Azumi
Kenji Kohashi
Jun'ichi Hayashi
Kuniko Asagi
Haruko Miura
Ken Mitsuishi
Kurata
Hajime Yamazaki
Norimichi's Father
Kanako Fukaura
Norimichi's Mother
