Many years after humans left the ancient earth, they suddenly discovered that they were becoming less and less human.
After several generations of humans completed three interstellar migrations, they finally discovered that each new generation of humans was inferior to the previous generation.
When the top leaders of the alliance make a relatively perfect plan for the fourth migration, the new generation cannot even understand the perfection, but they can destroy the plan.
"I did not agree to retain the B-396N batch of embryos at the beginning. Facts have proved that this generation is full of freaks."
But when the freaks embarked on the road of migration, they dared to hit the mountains beyond the stars and mend the sky beyond the sky.
Concept: The universe is so big that it can accommodate the growth of all imaginations.