Anchor: Ring Universe

In the future, outside the orbit of Jupiter, a wormhole arouses mankind's desire to explore. While humans are eager to explore, what they didn't expect was that the wormhole also attracted the spying of a high-dimensional creature. The snooping of the high-dimensional creature led to the complete annihilation of the existing human universe. High-dimensional creatures hope to use the few remaining astronauts to become the anchor of time and space and reconstruct the human universe. However, such a universe is an incomplete ring universe...