"But there was only one problem with Blue Earth. Humans who turned into mental data did not die, but they could not leave descendants. Sotaro Yashima, the creator of Blue Earth, solved that problem. For that reason, I was doing research to 'create humans' from mental data." 　Spirit data, which could not leave offspring, was an imperfect existence as a living organism. In order to realize his ideal world, Sotaro was trying to create a new life form that he desired.