The Sunset Will Eventually Come

This is a story that takes place 13.9 Billion years after the Big Bang. It is a trivial story on the scale of the universe. Human civilization is developing, multiplying and expanding, but there is more to the universe than human civilization. Human civilization is considered strong or weak. It is a flashing light point in the vast sea of ​​stars, not conspicuous at all among many brighter light points.