The world is falling apart.
Terrifying colossal beings tear through the sky, and a gigantic construct known as the "Southern Heavenly Gate" descends amid thunder and lightning.
The threat from another world continues to grow. They cannot be communicated with, and humanity's steel armada cannot withstand them. The allied forces humanity was so proud of are utterly powerless before them. These terrifying beings had existed only in humanity's PowerPoint plans, but now they have descended upon the world in another form.
"So, you've made up your mind?"
"Of course. We have no other choice."
The girl turned the card in her hand and lightly flicked the thin metal, then crushed it between her fingers.
"Armor, Befalls." (Armor, descend.)
