Shito Dai-ju ichi-ban Wakusei

Yamato finds a lifeboat, one launched from the 11th planet of the Solar System, Brumis. Shiori Nagakura, a space marine, recounts how Gatlantis launched a surprise attack against the colony world. Many civilians are killed in the opening moments of the battle. The survivors battle Gatlantis forces, and are slowly overwhelmed. Before they are executed, the Yamato warps in a successfully evacuates the civilians and remaining marines.