In the days since Long Long Ago, the machines of the people of those days have gone without orders or maintenance. While some fall to the vomish corruption and some are exploited by the wizards of these latter days to produce the basic tools which civilisation needs to survive, the vast majority sleep a fitful sleep, below the earth and in the hidden places of the world. It is in one such ancient facility we begin our tale, as an ambitious spectrum satrap attempts to take command of the ancient medical facility for use manufacturing certain impossible designs he bought off a caravan returning from the Black City.
An experimental psychic supersoldier and his haunted mecha get dropped into the Ultraviolet Grasslands
Psycho Soldier X
And he'll follow, doing his best to continue keeping watch over their charge. Even if nobody comes down here to follow after them, he gets the feeling there's stuff down here that she could hurt herself with accidentally.