BUMP OF CHICKEN have revealed the short PV for their new song "Fighter" via YouTube.
"Fighter" was written as the theme song for Umino Chika's manga '3-gatsu no Lion'. The special edition of the manga's 10th volume, which was published on November 28, includes a CD with this song.
The PV for "Fighter" features '3-gatsu no Lion' protagonist Kiriyama Rei. Its full version can be seen when scanning the CD's jacket cover with the AR app 'COCOAR'.