I Have Lived for a Hundred Thousand Years, Bringing About the Revival of Mythology

In 8021 AD, with the dazzling human technological civilization, a black technology company from Blue Star built the first near-light speed interstellar spacecraft in human history and secretly launched it into the starry sky. According to the theory of relativity, this spacecraft will sail in another timeline in the universe, embarking on a romantic time journey... Countless years later, the spacecraft returned to the solar system and existed in the mind of a young man... Ah, wonderful times! Myth and technology collide, warriors and mages dance together, aliens compete with new humans...