Prequel to the Countercurrent: Tiangong and Tiedou

"Tiangong and Iron Bean" is the prequel to the series of science fiction novels of the Countercurrent, which tells the story of life on Planet M and the origin of mankind. In the fourth era of the Milky Way, the spaceship Ark carried 100,000 human dormant passengers to their new home. However, it encountered a disaster after passing through a wormhole - all humans died, leaving only the AI ​​"Tiangong" and the newly activated robot "Tiedou". Tiangong and Tiedou decided to implement a backup plan: use the gene pool to restart human evolution from scratch on Planet M.