"Star‑Beasts surge forth from the deep seas, and humanity clings to survival behind mech defense lines. Five years ago, during the Abyssfall Defense Battle, the legendary ace pilot “Tempest” slew the apocalyptic‑class Star‑Beast Abyssal Lord before vanishing without a trace.Now, within the run‑down Shaw Repair shop in Portwell Harbour District, works a taciturn young repairman named Ash.
