A thug offers to pay a law student's gambling debt if the student will accompany him on a trip across Tokyo.
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.
Nayoko, a good-hearted geisha, brings luck to the men she sleeps with, even though most are scoundrels who don’t deserve it.
