Rainbow Piece
Volume 14 Cover
Cover of Unlimited Fafnir Volume 14, featuring Kili Surtr Muspelheim
Vital statistics
Kanji 銃皇無尽のファフニール 14: レインボウ・ピース
Romaji Jūō Mujin no Fafunīru 14: Reinbou pīsu
Author Tsukasa
Illustrator Korie Riko
Published on June 2, 2017
Published by Kodansha Bunko
Publication order
Previous Stardust Cry
Next Unlimited Shine

Rainbow Piece is the fourteenth volume of the Unlimited Fafnir series. It was released on June 2, 2017.


The ninth calamity, 'Demise' Angolmois, attempts to consume the world in darkness. Yuu and the rest oppose it with the light of Neun, but Iris collapses at the last moment. According to Vritra, that power can shorten the lifespan of a star, thus Iris, who is the source of the light, might vanish. Yuu and the rest call out to the people of the world in order to reduce the burden on her.

And the night before the decisive battle—

On Iris’ suggestion, Yuu and the rest decide to have fun together.

[These kinds of days will always continue forever... I want to believe in that. I want everyone to believe that too. That’s why, as usual…]

The smile that is born. The rainbow colored shards of radiance will surely—. The fourteenth Volume of Unlimited School Battle Action starts!


  • Prologue
  • Chapter 1 - Turning Wheel of Shamash
  • Chapter 2 - The Clear Dragon at Battle Again
  • Chapter 3 - The Eve of the Game Party
  • Chapter 4 - The Rainbow-Colored Piece
  • Epilogue
  • Afterword

New CharactersEdit