As human civilization develops, the land and sea have reached a point where living things can no longer survive due to environmental pollution.

In the deep-sea kingdom of Atlantis, which has not been in the realm of humans, the marine creatures that have continuously evolved can no longer tolerate

Dr. Octopus made a plan to advance to the ground on a robot, which is an intensive body of science and technology that has been developed so far.

The spearhead of advancing to the ground was a commando unit called "After ocean" (hereinafter referred to as AO)...


A.O! Let's advance to land and show the wrath of the sea to humans who pollute the sea!