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.
Departing From the Ocean's Depths
Fated Reunion
Yuu's Battle
The Hometown Flame
Friend or Foe
Double Revival
Rejection
At the Port of Call
Jonathan's Sword
Temptation of the Plates
Sister and Brother
Independent Course of Action
Stately Surfacing
Are Souls Solitary?
Perfect Breakthrough
The Uninvited Guest
Beyond the Curtain
The Depths of Love
The Moving Mountain Range
The Governor's Ambitions
A Problem of Hallucination
All or Nothing
Sweet Memories
Tricking Memories
Orphan's Hesitation
Flight
Baka and Test: Summon the Beasts
The World God Only Knows
The Everyday Tales of a Cat God
Minami-ke
Hayate the Combat Butler
Fist of the North Star
Go! Anpanman
Baki the Grappler
KochiKame
Cyborg 009
Legend of the Galactic Heroes
Pilot Candidate
MoonPhase
Wind: A Breath of Heart
The King of Fighters: Another Day
GRANBELM
Given
Astra Lost in Space
O Maidens in Your Savage Season
Magical Sempai