. ▁) ▁as ▁S aki ▁Am ami ya , ▁Mas ashi ' s ▁class mate ▁who ▁car es ▁about ▁him . ▁M ature ▁and ▁cool ▁for ▁an ▁elementary ▁school ▁student , ▁she ▁des pis es ▁f ights ▁and ▁conflicts . ▁She ▁is ▁fed ▁up ▁with ▁her ▁class m ates ▁constantly ▁batt ling ▁against ▁one ▁another ▁through ▁their ▁F . R . I . E . N . D . s . ▁With ▁a ▁strong ▁sense ▁of ▁justice , ▁however , ▁she ▁stands ▁up ▁against ▁T ats u ya ▁and ▁Jur an ▁in ▁order ▁to ▁save ▁Mas ashi . ▁Because ▁her ▁mother ▁is ▁an ▁ar dent ▁follow er ▁of ▁a ▁new ▁cult , ▁World ▁Salv ation ▁Society , ▁S aki ▁has ▁to ▁suffer ▁through ▁many ▁of ▁the ▁cult ' s ▁gather ings . ▁At ▁home , ▁her ▁parents ▁never ▁stop ▁arg uing … ▁Mas ata ka ▁Kub ota , ▁H ide mas a ▁Sh io za wa , ▁Sh ota ▁S omet ani ▁and ▁Am i ▁I ken aga ▁as ▁The ▁Black - C lo aked ▁Four , ▁a ▁group ▁of ▁four ▁genius es ▁working ▁on ▁a ▁myster ious ▁research ▁project ▁at ▁the ▁institution ▁set ▁up ▁by ▁the ▁government ▁within ▁Ts ug um o ▁University . ▁Supp osed ly ▁they ▁are ▁colle agues ▁of ▁Na oto , ▁Mas ashi ' s ▁uncle , ▁yet ▁there ▁is ▁something ▁susp icious ▁about ▁them . ▁They ▁scheme ▁to ▁sum mon ▁the ▁most ▁powerful ▁of ▁the ▁F . R . I . E . N . D .