While trying to help a boy deal with his drunkard father, Naoto becomes attacked by a Bionoid who shuts down Jiban's computer system, making him helpless.
When a girl accidentally discovers a creature connected with Bioron's secrets, Naoto must judge which is more valuable when she is abducted for her discovery.
With Jiban dead and Bioron running rampant throughout Japan, Yanagida prepares the means to revive him, but still requires the assistance of the missing Mayumi to complete it.
Queen Cosmos abducts clothing as she tries to understand the concepts of human beauty, even as Naoto and Bioron try to continue to decipher who she is.
When his younger brother mysteriously abandons his police post to go back to their hometown, Kiyoshirou follows in pursuit unknowing of the Bioron trap set up there.