Otoko is a man who hopes to get his hands on a woman "Underwater Organism". Otoko's friend and skeptic about the existence of these phantom creatures meta marine and human creatures. Nonetheless, her friend says she does not believe in military police gossip and myths without a shred of evidence, Otoko decides to dive into the "Sea of Mist" to look for a specimen of these creatures.

The character appears in the LIMB LEGION part.