Lyrically, the song tells the story of a woman reminiscing on a past love at the sight of a sunset.
[3] When she learned of the existence of the Watarase Bridge in Ashikaga, Tochigi, a city she had once visited while touring,[4] she decided to base the lyrics on the area.
[7] The single charted in the top 100 for fifteen weeks, selling a reported total of 310,000 copies during its run.
[8][9] On November 25, 2009, Moritaka released a newly recorded version of the song as a double A-side single with "Ame".
[16] Since being mentioned in the song, the Yagumo Shrine (八雲神社, Yagumo-jinja) and the phone booth outside Ozawa Barber Shop have become popular sightseeing spots.
[17] When the shrine burned down in a fire in December 2012, Moritaka raised funds to support its reconstruction,[18] which was completed in late 2017.
The music video features Matsuura performing the song on a footbridge, with two schoolchildren playing recorders during the instrumental section.