- Kosaka Riyu
- Naoki Maeda
- Other Information
- Arrangement: Naoki Maeda
"Firefly" is a song released by BeForU and included on BeForU album as track #9.
- Found on BeForU album earlier as track #9. This is a rock version sung by Kosaka Riyu with Backup vocals by BeForU.
- Firefly (add Vocal&Mix)
- Found on "KI・SE・KI" single as track #3. This is a new version including the BeForU NEXT members.