Yuu and the others help Ahegao Double Peace-sensei at a doujinshi exhibition. There they encounter the Kanzaki sisters who run a major circle. After getting caught up in the sore relationship between them and Ahegao Double Peace-sensei, Yuu gets roped into a doujinshi competition!
I mean, a doujinshi usually has stuff 
that can't take place in the main story,
I-In einem Doujinshi passieren immer Dinge,
die in der Hauptgeschichte nicht möglich sind,
Bueno, en un doujinshi pasan cosas
que no pasan en la historia principal,
Bueno, en un doujinshi pasan cosas
que no pasan en la historia principal.
Dans les fanfictions,
on met en scène
Perché di solito nelle doujinshi ci sono cose
che non possono succedere nella storia vera, no?
Digo, doujinshi é algo criado que não
pode ser aplicado na história original,
В додзинси ведь пишут о том, 
чего не было в самом произведении.