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.
as Nazuna Oikawa
as Norimichi Shimada
as Yusuke Azumi
as Jun'ichi Hayashi
as Haruko Miura
as Kurata
as Norimichi's Father
as Norimichi's Mother
as Yusuke's Father
as Nazuna's Mother
as Nurse
as Mr. Yasu
as Festival Visitor
as Festival Staff
as Makoto
as Kazuhiro
