"First published in Japan in 2004 by Kodansha Ltd., Tokyo."
Summary:
"Kirio Muji has been adopted by an adorable robot named Q-Ko-Chan and is taking part in a battle against octopus-like creatures, mind-controlled aliens, and his own government. But now a whole hoard of robots like U-Ko-Chan has shown up--and when Kirio's hated sister Furiko is adopted by the most powerful robot, the battle reaches a shattering climax"--Cover blurb.
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