3 Season
75 Episode
Bakuman - Season 0 Episode 4 Rakko Umi e Kaeru!
Among the world's most powerful otters is Rakko 9-gou, the abandoned and forgotten "Lost Number" who seeks vengeance on the human race. Rakko 11-gou attempts to foil the plans of his adversary, but his "Olivine Tholeiite" attack has no effect on Rakko 11-gou's tail of carbon nanotubes! Can Rie and Naho make it in time to save Rakko 11-gou?
- Country : Japan
- Genre : Animation, Comedy, Drama
- Director :
- Cast : Saori Hayami, Ayako Kawasumi, Ayumi Fujimura, Nobuhiko Okamoto, Satoshi Hino, Atsushi Abe