Episode Title:Terra's green hills.Episode Description:Swena broadcasts Keith's message to humanity about the truth behind Grand Mother's ideals. The final truth about the Mu genes is revealed: before the creation of SD system, scientists discovered the mutant Mu genes and arguments ensued as to whethere they were only a flick of mutation or the next phase of evolution. Unable to decide, the SD system was programmed to leave Mu genes intact in birth control process, only to carry out the extermination when the gene carrier reached adulthood; the purpose was to check whether they could survive the stress and became the next phase of evolution...