Everyone around Futaba expects her to grow up and become an adult, and she's lost the ability to keep herself mentally balanced. At the bottom of her heart, her childish self is still there, and still strong. One day she wanders into another dimension, a world where the light has been lost, and darkness rules. The people there exist as babies wearing only their underpants...
Now that I take a closer look 
those chains are just for show!
Und jetzt? Näher betrachtet sind
die Vorhängeschlösser nur zur Schau!
¡Si me fijo,
esas cadenas solo son de adorno!
¡Si me fijo,
esas cadenas solo son de adorno!
En fait, cette chaîne est là
que pour faire joli !
Ora che ho modo di vedere meglio
quelle catene sono solo estetiche!
Agora que eu olho bem,
os cadeados são só decorativos!
Цепи эти лишь для показухи оказывается!