After Otaku Hero loses a beloved toy robot in the Kanda River, he and the girls are confronted by the hostile middle-aged members of the Mansei Bridge Otaku Commune. The two generations enter a contest to fight over the true definition of otaku culture.
T-Take cover!
!ا-احتموا
I-In Deckung!
¡Cúbranse!
¡A cubierto!
Vite ! Repli !
M-Mettiamoci al riparo!
R-Recuar!
Отходим!