The special takes place during the two year before the Straw Hats reunite on Sabody. Luffy is currently in Rusukaina training to get stronger to take on the New World. However the training is interrupted when Hancock's sisters, Marigold and Sandersonia, are kidnapped by the Byrnndi World, a pirate who was locked away on Level 6 of Impel Down but escaped during Luffy's invasion to save Ace, in order to lure Hancock to him and use her as a hostage against the World Government due to her Shichibukai status. Thus Luffy and Hancock head off to confront him and save Hancock's sisters.
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Cast
50 people
Mayumi Tanaka
Monkey D. Luffy (voice)
Known for
Dragon Ball Super
Dragon Ball Z
Kazuya Nakai
Roronoa Zoro (voice)
Known for
Death Note
Samurai Champloo
Akemi Okamura
Nami (voice)
Known for
One Piece
Fighting Spirit
Arata Furuta
Byrnndi World (voice)
Known for
Space Pirate Captain Harlock
The Full-Time Wife Escapist
Bin Shimada
Byojack (voice)
Known for
Dragon Ball Z
Dragon Ball GT
Fumihiko Tachiki
Akainu (voice)
Known for
Neon Genesis Evangelion
High School DxD
Hiroaki Hirata
Sanji (voice)
Known for
One Piece
Sword Art Online
Hirohiko Kakegawa
Dracule Mihawk (voice)
Known for
Ergo Proxy
Dragon Ball DAIMA
Hiroshi Naka
Monkey D. Garp (voice)
Known for
Dragon Ball DAIMA
BNA
Ikue Otani
Tony Tony Chopper (voice)
Known for
Naruto Shippūden
Pokémon
Kappei Yamaguchi
Usopp (voice)
Known for
One Piece
Death Note
Kazuki Yao
Franky (voice)
Known for
One Piece
Fullmetal Alchemist: Brotherhood
Naoyuki Ito Director · Hirohiko Uesaka Writer Jin Tanaka Writer
United States release December 31, 2014 · Produced in Japan · Production Toei Company
Production
Toei Animation
Production
Toei Company
Production
Japan
Produced in
Languages
Original title
ONE PIECE “3D2Y” エースの死を越えて! ルフィ仲間との誓い
Original language
Japanese
Spoken on screen
Japanese
Release dates
Japan · August 30, 2014
TV
United States · December 31, 2014
TV
Australia
November 24, 2017 · Physical
Brazil
September 1, 2023 · Digital · Netflix
Germany
November 24, 2017 · Physical · DVD
Thailand
August 30, 2014 · TV
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Some details come from TheTVDB.