In a future world, an unknown phenomenon called "Nino" sweeps across the globe, triggering a catastrophic rise in sea levels. Ancient deep-sea titans awaken from the abyss, while raging extreme weather completely destroys all communication bases on Earth and in space stations. Human civilization regresses, plunging into darkness and isolation. To retake the lost space station and rebuild humanity's hope, an elite squad codenamed Alpha is called upon in a time of crisis, venturing deep into the b