s , ▁O val , ▁by ▁explo iting ▁the ▁negative ▁energy ▁of ▁the ▁children . ▁Ruth less ▁and ▁mer cil ess , ▁the ▁research ers ▁stop ▁at ▁nothing ▁in ▁order ▁to ▁achieve ▁their ▁goals . ▁As uka ▁Ku ros awa ▁as ▁Sh iz uk o ▁Am ami ya , ▁S aki ' s ▁mother . ▁In ▁disc ord ▁with ▁her ▁husband , ▁she ▁is ▁a ▁member ▁of ▁a ▁new ▁cult , ▁the ▁World ▁Salv ation ▁Society , ▁and ▁is ▁constantly ▁drag ging ▁her ▁daughter ▁to ▁its ▁meet ings . ▁Kan ji ▁Ts uda ▁as ▁T ats uo ▁K us ak abe , ▁Mas ashi ' s ▁father . ▁He ▁owned ▁a ▁sea fo od ▁processing ▁plant . ▁Although ▁lost ▁to ▁the ▁t sun ami , ▁he ▁remains ▁v ivid ly ▁in ▁Mas ashi ' s ▁mind ▁as ▁a ▁hard - working , ▁cheer ful ▁father . ▁May u ▁T sur uta ▁as ▁Y as uk o ▁K us ak abe , ▁Mas ashi ' s ▁mother . ▁Having ▁lost ▁her ▁husband ▁in ▁the ▁dis aster s , ▁she ▁starts ▁a ▁new ▁life ▁with ▁her ▁son ▁in ▁a ▁new ▁town . ▁Although ▁full ▁off ▁sorrow ▁and ▁wor ries , ▁she ▁acts ▁stead fast ▁and ▁cheer ful ▁in ▁front ▁of ▁Mas ashi . ▁Tak umi ▁S ait oh ▁as ▁Na oto ▁K ō zu ka , ▁a ▁techn ician ▁at ▁the ▁research ▁facility ▁of ▁the ▁Black - C lo aked ▁Four . ▁He ▁is ▁Mas ashi ' s ▁uncle ▁and ▁one ▁of ▁the ▁few ▁adult