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.
You're doin' great, Mami-chan!
!أنت تبلي جيدا يا مامي-تشان
Astreine Sache, Mami-chan!
Stai andando alla grande, Mami-chan!
Você está ótima, Mami-chan!