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.
It's a mountain of treasure!
!إنّه جبل من الكنوز
Ein ganzer Berg an Schätzen!
¡Cuántos tesoros!
¡Qué de tesoros!
C’est une mine de trésors !
Una montagna di tesori!
É uma montanha de tesouros!
Тут лежат горы сокровищ!