The notebook that Otaku Hero found in the SSC base explains the origin of Shobon's hatred for otaku and foreshadows a dangerous fate for the magical girls. Running through the empty streets of Tokyo, Otaku Hero races back to try to change the script.
That's amniotic fluid. 
It's where you were born.
.إنّه سائل سلوي. حيث ولدتن
Es war Fruchtwasser.
Der Stoff, in dem ihr geboren wurdet.
Es líquido amniótico,
de donde nacieron.
Es líquido amniótico,
de donde nacisteis.
C’est le liquide amniotique
dans lequel vous êtes nées.
Quello è liquido amniotico, è dove voi siete nate.
Isso é líquido amniótico.
É onde vocês nasceram.
Это амниотическая жидкость,
в которой вы и появились.