Masato Sako

In a future, decimated Earth after the discovery of a mysterious, alien spacecraft dubbed "Orphan". A group of researchers scour the planet for Orphan's disc plates using mecha called "Antibodies" in order to revive the craft, an event that would result in the utter destruction of all lifeforms on Earth. The protagonists Yu Isami and Hime Utsumiya must utilize a special Antibody called "Brain Powerd" to counter the Orphan plans and save humanity.

Officers Tsujimoto and Kobayakawa are transferred back to Bokuto Police Station after stints in other police departments. Shortly after this, the discovery of smuggled firearms and the recovery of a magnetic disc herald new troubles for Bokuto station as the Chief is thrown in jail for keeping silent over "Bee Number One", developed by Detective Emoto who went missing two years ago.