The Fourth World War coupled with the huge decrease in the number of humans. Post-war PTSD. At the same time, because the Internet is too developed, it is more difficult for humans to fall in love.
A large number of human beings want to fall in love with themselves, and the government needs a large number of laborers, so the government complies with the people's will and adopts human cloning to meet the two needs. At the beginning, the government was conducting production tests of clones. . . . .