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 … Mayumi Tanaka, Akemi Okamura, Arata Furuta, Bin Shimada, Fumihiko Tachiki, Hiroaki Hirata, Hirohiko Kakegawa Added on Netflix 2023-09-04.