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.
Oh, staahp!
Herrjemine~
¡Ay, no!
¡Ay, madre!
Oh, nooo!
Ai, nããão...
Ай-ай!