Taishou era. The interval between Meiji and Shouwa. A season where yellow and red petals swoop down from the trees. A young man comes down from the Imperial city, clinging to a large trunk, faintly smiling at the sight of the streets, a suitable young man indeed. Just as told by his father, he reached to this town to help for an autumn festival. Walking down the streets brings a surge of nostalgia. Encounter with a girl. Two girls.