"Fighter" served as the opening theme for the anime series *Mobile Suit Gundam: Iron-Blooded Orphans* season 2, showcasing Kana-Boon's continued success in providing anthemic tie-ins. The single demonstrated the band's signature sound, a driving rock energy tailored for peak-time anime slots.
- "Fighter" was released on March 1, 2017, by Sony Music Labels Inc.
- The single features a B-side titled "Boku wa Kono Mama" (僕はここにいる).
- The song was featured as the second opening theme for the second season of the anime series *Mobile Suit Gundam: Iron-Blooded Orphans*.
Kana-Boon is a Japanese rock band formed in Osaka in 2006, best known for their energetic blend of J-rock and alternative. At the time of "Fighter"'s release, the band was in the midst of their fourth album cycle, having already established a significant presence in the anime and festival circuits.
Tracklist
