[Cthulhu + sci-fi apocalypse + multiple heroines + group portraits + power awakening
Countdown + Suspense + Survival + Future World + Price System]
They have been whispering in your ears for seven thousand years.
You thought it was an illusion.
Until the seventh day, you see your countdown——
167:59:58
You just discovered that humans are not the masters of the earth.
It is a nutritional shell.
And I am the only rusty nail in this shell.
