Armored Core VI Fires of Rubicon | Some Commentary | Episode 9 | Fighting For The Title, Raven

The Story
The plot is that in the past, the discovery of a highly valuable substance on the planet Rubicon 3 led to an interstellar catastrophe, and decades later, that substance, "Coral" resurfaces on the planet, leading numerous factions to wrestle for control. The player assumes the role of Augmented Human C4-621, an independent mercenary infiltrating Rubicon 3 to profit from the conflict that would come to be known as the "Coral War."

Reference
https://armoredcore.fandom.com/wiki/ARMORED_CORE_VI_FIRES_OF_RUBICON#:~:text=The%20plot%20is%20that%20in,factions%20to%20wrestle%20for%20control.