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...
Your true weapon... was your heart.
Deine wahre Waffe … war dein Herz.
Tu verdadera arma era tu corazón.
Tu verdadera arma era tu corazón.
la véritable arme
est celle de ton cœur.
La vostra vera arma...
Sua verdadeira arma era o seu coração.
Твоё истинное оружие... сердце.