The war broke out so abruptly.
The elite forces of the Polar Star Battlefield proactively abandoned the frontier they had built with countless sacrifices and blood and stepped into enemy territory... This was something no one could have imagined.
Therefore, when the first batch of powerful artillery strikes filled with endless might fell into the enemy's camp.
Those myriad mysterious races of the heavens, who harbored extreme hostility towards Blue Star and had been stationed there for years, never anticipated that these humans, known only for passive defense, would one day launch an offensive.
With just one strike, these mysterious races of the heavens suffered severe casualties.
And when the mechas appeared...
