In 9678, the emerging parallel universe theory caused great shock once it was published.
In 9689, the parallel universe project was officially implemented on a global scale. Scientists from various countries found loopholes in time and space through many experiments, and in 10000 they officially announced the discovery of the space-time backtracking space.
In 10017, the parallel universe project was suspended due to a major experimental accident.
In 10025, a huge pollution epidemic occurred on the earth. After three years, the government had no choice but to launch the parallel universe project again to find other spaces for survival.
In 10100, in the new parallel universe, in order to ensure that devastating disasters would never happen again, the government officially launched the time and space retrieval plan.
Intent: Family, friendship and bonding