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One day, the world suddenly collapsed, and the originally bright sky turned dark red. One after another, terrifying monsters descend into the world. People's hearts are annihilated, and the struggle in the apocalypse is both with humans and monsters... I want to live, I want to find you, sister! But that's why I agreed to a mysterious voice. But under the curtain...

This is an unusual world, open only to those who are destined...

This is a new world, new concepts. Two thousand years have passed since the end of the world. Where will the fate of mankind go?