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.
But why a swim meet?
لكنَ لماذا تحدي سباحة؟
¿Por qué en traje de baño?
¿Y por qué en bañador?
Mas por que um encontro de natação?