On the night the city survival game "Tomorrow's Exercise" was shut down, one hundred and forty-seven deleted disaster levels in the game came to reality at the same time.
Former tester Lu Xun is one of the few people who has read the entire vulnerability report. He knows how the first exercise starts, and he also knows that the strategy may fail at any time - because the real system is rewriting the levels based on human choices.
While others competed for the only safe spot, Lu Xun looked for the third answer that was not written in the rules.
But he soon discovered that this "exercise" was not to screen survivors.
It's looking for someone qualified to shut down the city.
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