- Mayumi Tanaka (Monkey D. Luffy (voice))
- Kazuya Nakai (Roronoa Zoro (voice))
- Mari Yaguchi (Yoko (voice))
- Akemi Okamura (Nami (voice))
- Kappei Yamaguchi (Usopp (voice))
- Hiroaki Hirata (Sanji (voice))
- Ikue Otani (Tony Tony Chopper (voice))
- Yuriko Yamaguchi (Nico Robin (voice))
- Kazuki Yao (Franky (voice))
- Katsuhisa Houki (Jinbe (voice))
- Cho (Brook (voice))
- Hideyuki Tanaka (Donquixote Doflamingo (voice))
One Piece — S21E1022
Episode: No Regrets! Luffy and Boss, a Master-Disciple Bond!
Air Date: 2022-06-19
Runtime: 24 min
Overview
Chopper works hard to make the cure for Ice Oni, even though he is turning into one himself. Meanwhile, the infected Boss Hyogoro the Flower regains his youth and fights fiercely to protect Chopper and the others.