24-hour crossing
In the future, due to the frequent occurrence of large-scale volcanic eruptions due to crustal movements, human beings will lose most of their land and water resources, and will be forced to retreat to a projectile land: the polar ice zone, where the conditions are difficult and crowded.
The earth can no longer withstand felling and profligacy, in order to obtain resources and space for survival, scientific research institutions of various countries have jointly developed interstellar routes and built space bases, which has opened the interstellar era since then.
The company has accepted all the people with special physiques, among which the soul host undertakes various tasks through time and space, and the purpose of the task is to rewrite history and change the fate of the entrusting family.
The mission lasts 24 hours, after which it will be repelled by space to return to modern times.