One Piece Season 9 Episode 306
A Mysterious Mermaid Appears? As Consciousness Fades Away...
Luffy's gigantic attack on Lucci takes a devastating toll on his body, Robin rejoins the fight, and the rest of the Straw Hats struggle to survive underwater!
Guest Stars
Ako Mayama
Cocoro (voice)
Masaya Onosaka
Spandam (voice)
Chiwa Saito
Chimney (voice)
Miki Fukui
Mozu (voice)
Anzu Nagai
Young Robin (voice)