What Will You Do After the Apocalypse?

In 2998, the end of the world arrived. Ten billion people died, but no one knew why. Some people think it's a nuclear war, and some people think it's because technology has reached a singularity and the experiment failed. The surviving humans huddled together for warmth. Some converted to religion, while others abandoned science and tried new paths. There is a group of orphans wandering around the ruins. What will be waiting for them?