Your world was destroyed by [Demon] overnight.
Amidst the ruins of a handful of lives and barely remaining civilisation.
Marionettes, girls who were revived by a [contract] with the Devil…
Marionettes are cursed humans. They can no longer dance without the Devil.
With the girls who have acquired supernatural [powers] through the contract, they
In search of a little hope and salvation, you will throw yourself into a cruel battle…