Tamotsu Denkigai is just another otaku, prowling the streets of Akihabara for elusive rare figurines and other treasures. However, the streets of Akihabara aren't what they used to be - pretty cosplayers are ripping each other's clothes off!

Tamotsu, Arisa and Niwaka visit Matome's hideout, where they discuss Tamotsu's new powers and the current state of Akihabara. What evil lurks in the streets of their favorite town?

Deadly radio waves send Akihabara to chaos. The team must employ classic radio technology to counter the threat.

With the new Akiba Ban law in effect, otaku and otaku culture is being pushed out of Akihabara. Meanwhile, Tamotsu loses his powers, forcing Electric Mayonnaise out of commission.

The cultural cleansing of Akiba is turning into something more closely resembling an ethnic cleansing operation, and Akiba residents are being rounded up by the police. Can Matome and Tamotsu defeat the mastermind and save the day?