In AD 4778, humans finally left the scarred and dying Earth and immigrated to Gaia, a new planet suitable for human habitation.
In the new year 3501, humans did not see the appearance of newborns for a whole year.
In the new year 3512 AD, humans who migrated to Gaia discovered that the hope for the continuation of the human race lies on the home planet they abandoned.
In the year 3532 of the new AD, a unique virtual online game was launched called Life Online...