Wikipedia
Hotarubi (song)
("Firefly-fire") is Rythem's twelfth single which was released on February 28, 2007 under Sony Music Entertainment Japan label. The title track was used as the ending theme for TV Tokyo's show FIGHTENSION☆SCHOOL. This single reached the #36 spot in the Oricon weekly charts.
The item's stock number is AICL-1847.