VenusBlood DarkChronicle Episode:3 Ryuu Shoujo wa Ningyou ni Otsu

A close-up of VenusBlood GAIA, which gained popularity as a demon-spawning tentacle SLG, and its chaos route!

This is the story of after the ambitions of the Grand Duke Theohrad have come to fruition and the world has become a dystopia, a gigantic testing ground for the Grand Duke's ambitions.
Estella, the dragon empress who was defeated by the Grand Duke, regains her ego and dignity after an intense remodeling surgery, and once again rebels against him.
Her name is the "Boosted Terrier!
In order to protect the old race that is being eliminated and to recover Sleeping Beauty, the only hope, the mechanized dragon girl challenges a lonely battle.

[Translated From DLsite]