In the future, human fertility disappears completely. The mysterious headquarters relies on cloning technology to continue the expansion of human civilization, but humans are unaware of the existence of the headquarters. On the same planet in different universes, as long as you are entered into the file, you will exist in all universes. Even if you choose to self-destruct in one of the worlds, as long as you are entered into the file, the headquarters will clone a new "you" according to your file, and then let "you" replace your existence.
Xia Xi came to the parallel world by accident, and happened to meet Qiu Lu in the parallel world. The two people look the same, but their experiences are completely different. The mystery is uncovered layer by layer, and the truth emerges. What kind of darkness and cruelty is hidden behind the so-called beautiful friendship?
Purpose: Take every life seriously