Moshimo, Japan. The annual fireworks festival is about to take place and a group of schoolboys, arguing over whether they are round or flat when viewed from different angles, set out to find it out.
as Nazuna Oikawa (voice)
as Norimichi Shimada (voice)
as Yūsuke Azumi (voice)
as Jun'ichi (voice)
as Kazuhiro (voice)
as Minoru (voice)
as Nazuna's Mother's Fiancé (voice)
as Teacher Miura (voice)
as Teacher Mitsuishi (voice)
as Norimichi's Mother (voice)
as Norimichi's Father (voice)
as Yūsuke's Father (voice)
as Pyrotechnician (voice)
as Nazuna's Mother (voice)
as Announcer (voice)
as Food Stall Owner (voice)
as Nurse (voice)
as Nurse (voice)
as Reporter (voice)
as Student (voice)
as Student (voice)
as Student (voice)