, ▁beneath ▁the ▁surface ▁of ▁the ▁Earth . ▁This ▁caused ▁the ▁real ization ▁that ▁human ity ▁and ▁K her ans ▁were ▁closely ▁related ▁and ▁that ▁similar ▁species ▁had ▁been ▁seed ed ▁throughout ▁the ▁universe , ▁creating ▁both ▁the ▁Da emon ites ▁and ▁K her ans ▁in ▁addition ▁to ▁humans . ▁ ▁The ▁Sh aper ▁Gu ild ▁from ▁Kh era ▁arrived ▁on ▁Earth ▁and ▁announced ▁that ▁fa ctions ▁within ▁K her ub im ▁society ▁had ▁decided ▁on ▁using ▁Planet ▁Sh aper ▁Eng ines ▁to ▁transform ▁the ▁Earth ▁into ▁another ▁Kh era , ▁causing ▁a ▁civil ▁war . ▁ ▁Culture ▁K her ans ▁are ▁a ▁war rior ▁race ▁with ▁a ▁strong ▁emphas is ▁on ▁hand - to - hand ▁combat ▁and ▁honor . ▁ ▁Due ▁to ▁their ▁low ▁fert ility , ▁every ▁K her an ▁man ▁and ▁woman ▁coming ▁of ▁age ▁has ▁to ▁mate ▁with ▁an ▁appointed ▁partner . ▁If ▁the ▁woman ▁gives ▁birth , ▁she ▁must ▁become ▁a ▁priest ess . ▁If ▁not , ▁she ▁may ▁go ▁on ▁to ▁live ▁her ▁life ▁as ▁she ▁wishes . ▁Lady ▁Z ann ah ▁has ▁managed ▁to ▁avoid ▁becoming ▁a ▁priest ess , ▁despite ▁giving ▁birth , ▁because ▁her ▁mother ▁told ▁others ▁that ▁the ▁baby ▁had ▁died , ▁allowing ▁Z ann ah ▁to ▁become ▁a ▁war rior . ▁Her ▁mother ▁then ▁passed ▁Z ann ah ' s ▁baby , ▁Ken es ha , ▁off ▁as ▁Ze al ot ' s ▁sister . ▁As ▁a ▁mother ▁of ▁two ▁children , ▁Z ann ah ' s ▁mother , ▁Harm ony