While the mechanized forces of Ingelmia begin to encroach on the Kingdom of A...
Shirogane no Ishi: Argevollen
Season 1 Episode 17: Defeat
The 8th Unit withdraws from the Pudder supply base as a huge legion advances. Samonji refuses to allow the Argevollen to launch, despite the fact that they're outnumbered, but Cayenne puts pressure on him. And when the Sturm Alpha shows up, he no longer has a choice.