A Guide to Cultivating Immortality in the 21St Century

Winter Night 2035 A space crack thousands of miles long suddenly appeared between the earth and the moon. The earth and the moon were tidally locked, and the bright moon hung forever high in the sky over the East Asian continent. Another "Earth" could be vaguely seen through the crack. Since then, the two realms of mortals and immortals have communicated with each other, technology and immortality have been combined, and the civilization of the two realms of mortals and immortals has begun to evolve. . .