Summary of the previous two seasons of Bakuman

Shows many of the mangakas' works. Main cast members also talk about which "Bakuman." works they would like to see animated

Short animation included as a bonus in the Blu-ray Box volume 2.

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?