Gabimaru and Sagiri are in trouble during their first fight against the island's mysterious creatures. Gabimaru is unaware of these monstrosities and this puts him at a disadvantage in battle. The sudden arrival of Yuzuriha, the female ninja, will change the situation, but Gabimaru does not see clearly in her game.

Rokurota starts to cause serious problems for Sagiri and Gabimaru, and now they must think of a strategy to defeat him!

Chobe and Toma encounter people unlike any they've ever encountered before. Gabimaru and Sagiri's party finally meet people who live on the island.