One Piece Log: Fish-Man Island Saga The Promise of the Future - The Road Toward the Sun (Season 1, Episode 20)
TV Episode | Animation, Action, Adventure

Primary photo for The Promise of the Future - The Road Toward the Sun

One Piece Log: Fish-Man Island Saga

The Promise of the Future - The Road Toward the Sun (Season 1, Episode 20)

TV Episode | Animation, Action, Adventure

With the threat of Hody and the New Fish-Man Pirates behind them, Luffy and the Straw Hats have one more promise to keep. Luffy tries his best to destroy Noah, but at the last minute, the fate of the island depends on some unexpected help.

Writer

Eiichirô Oda (manga) (as Eiichiro Oda)

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Edit Released

Updated Mar 23, 2025

Release date

Mar 23, 2025 (Japan)

Contacts

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Cast	+ Add Cast
40 cast members

Name	Known for
Mayumi Tanaka Monkey D. Luffy (voice) Monkey D. Luffy (voice) See fewer	One Piece (1999)
Kenji Akabane Resident (voice) Resident (voice) See fewer	Chainsaw Man - The Movie: Reze Arc (2025)
Misaki Akiyama Islander (voice) Islander (voice) See fewer	My Hero Academia: Vigilantes (2025)
Sôta Arai Ammo Knight (voice) Ammo Knight (voice) See fewer	Dragon Ball Z Kai (2009)
Katsuaki Arima Fishman Pirate (voice) (as Yusei Oda) Fishman Pirate (voice) (as Yusei Oda) See fewer	Digimon Story: Cyber Sleuth (2015)
Kinryû Arimoto Edward Newgate / Whitebeard (archive footage) (voice) Edward Newgate / Whitebeard (archive footage) (voice) See fewer	A Kite (1998)
Tomohisa Asô Scales (voice) Scales (voice) See fewer	Metal Gear Solid: Integral (1999)
Chô Brook (voice) Brook (voice) See fewer	The Island (2005)
Hisao Egawa Soldier (voice) Soldier (voice) See fewer	Memories (1995)
Takahiro Fujimoto Fishman Pirate (voice) Fishman Pirate (voice) See fewer	Dragon Ball Z: Battle of Gods (2013)
Kôji Haramaki Fishman Pirate (voice) Fishman Pirate (voice) See fewer	Dragon Ball Z: Battle of Gods (2013)
Hiroaki Hirata Sanji (voice) Sanji (voice) See fewer	One Piece (1999)
Natsu Inagaki Fishman (voice) Fishman (voice) See fewer	One Piece Log: Fish-Man Island Saga (2024)
Ryosuke Kanemoto Fishman Pirate (voice) Fishman Pirate (voice) See fewer	Aldnoah.Zero (2014)
Yui Kano Child (voice) Child (voice) See fewer	Gods Eater Burst (2010)
Saika Kihane Islander (voice) Islander (voice) See fewer	One Piece Log: Fish-Man Island Saga (2024)
Miyu Kobashi Islander (voice) Islander (voice) See fewer	Cells at Work! (2024)
Takeshi Kusao Gol D Roger (Young) (voice) Gol D Roger (Young) (voice) See fewer	Akira (1988)
Naomi Kusumi Underbite (voice) Underbite (voice) See fewer	The Island (2005)
Yasunori Masutani Mottled (voice) Mottled (voice) See fewer	Dragon Ball Z: Battle of Gods (2013)
Daisuke Matsubara Fishman (voice) Fishman (voice) See fewer	Dragon Ball Z Kai (2009)
Shunzô Miyasaka Fishman Pirate (voice) Fishman Pirate (voice) See fewer	Dragon Ball Z Kai (2009)
Toshiyuki Morikawa Hatchan (voice) Hatchan (voice) See fewer	Final Fantasy VII: Advent Children (2005)
Kazuya Nakai Roronoa Zoro (voice) Roronoa Zoro (voice) See fewer	One Piece (1999)
Tamotsu Nishiwaki Topknot (voice) Topknot (voice) See fewer	One Piece (1999)
Ai Nonaka Googly-Eyed (voice) Googly-Eyed (voice) See fewer	Bobobo-bo Bo-bobo (2003)
Akemi Okamura Nami (voice) Nami (voice) See fewer	One Piece (1999)
Ikue Ôtani Tony Tony Chopper (voice) Tony Tony Chopper (voice) See fewer	Pokémon: The First Movie - Mewtwo Strikes Back (1998)
Chikao Ôtsuka Gol D Roger (archive footage) (voice) Gol D Roger (archive footage) (voice) See fewer	Sonic X (2003)
Kimiko Saitô Birdy (voice) Birdy (voice) See fewer	Ready Player One (I) (2018)
Bin Shimada Den (voice) Den (voice) See fewer	Nausicaä of the Valley of the Wind (1984)
Kensuke Shimizu Islander (voice) Islander (voice) See fewer	Xenoblade Chronicles 3 (2022)
Keiichi Sonobe Silvers Rayleigh (voice) Silvers Rayleigh (voice) See fewer	Memories (1995)
Kohei Sueyasu Islander (voice) Islander (voice) See fewer	Ameku Takao no Suiri Karte (II) (2025)
Kankichi Sumitani Fishman (voice) Fishman (voice) See fewer	One Piece Log: Fish-Man Island Saga (2024)
Ryôichi Tanaka Minister of the Left Minister of the Left See fewer	Dragon Ball Z: Battle of Gods (2013)
Shinichi Yamada Fishman Pirate (voice) Fishman Pirate (voice) See fewer	Samurai Warriors: Katana (2007)
Kappei Yamaguchi Usopp (voice) Usopp (voice) See fewer	One Piece (1999)
Yuriko Yamaguchi Nico Robin (voice) Nico Robin (voice) See fewer	Neon Genesis Evangelion: The End of Evangelion (1997)
Kazuki Yao Franky (voice) Franky (voice) See fewer	Ninja Sentai Kakuranger (1994)