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...
I've spent my whole life in 
this little town called Keito.
Ich habe mein ganzes Leben
in der Kleinstadt Keito verbracht.
Pasé toda la vida
en una ciudad llamada Keito.
Pasé toda la vida
en una ciudad llamada Keito.
Depuis que je suis née,
j’ai vécu dans la petite ville de Keito.
Ho passato tutta la mia vita
in questo paesino, Keito.
eu passei a vida inteira nessa
cidadezinha chamada Keito.
С самого детства я живу