▁their ▁families , ▁respectively ▁raising ▁their ▁off spring ▁Brit t ▁Re id ▁Jr . ▁and ▁Mul an ▁K ato . ▁ ▁After ▁Brit t ▁Re id ' s ▁death , ▁K ato ▁returns ▁in ▁America ▁with ▁Mul an , ▁now ▁the ▁second ▁K ato , ▁to ▁act ▁out ▁the ▁Secret ▁Testament ▁of ▁Brit t ▁Re id ▁Sr ., ▁who ▁wished , ▁in ▁the ▁event ▁of ▁his ▁death , ▁K ato ▁to ▁destroy ▁every ▁Green ▁Hor net ▁par aph ernal ia ▁still ▁in ▁his ▁possession ▁and ▁wh isk ▁Brit t ▁Re id ▁Jr . ▁to ▁Japan , ▁for ▁his ▁safety . ▁However ▁both ▁off spring ▁refuse ▁Re id ' s ▁and ▁K ato ' s ▁will : ▁Mul an ▁K ato , ▁now ▁cl ad ▁in ▁a ▁close ▁variation ▁of ▁her ▁father ' s ▁original ▁out fit , ▁storm s ▁off ▁to ▁confront ▁the ▁Y aku za , ▁and ▁Brit t ▁Re id ▁Jr . ▁man ages ▁to ▁ste al ▁one ▁of ▁the ▁Green ▁Hor net ▁cost umes ▁to ▁help ▁her , ▁despite ▁having ▁little ▁training ▁on ▁his ▁own . ▁ ▁As ▁the ▁new ▁K ato , ▁Mul an ▁is ▁a ▁strong , ▁phys ically ▁fit , ▁silent ▁war rior ▁woman , ▁able ▁to ▁perform ▁amaz ing ▁fe ats ▁with ▁un c anny ▁strength ▁and ▁precision . ▁ ▁Despite ▁having ▁been ▁shown , ▁in ▁her ▁late ▁te ens , ▁as ▁a ▁pe ppy , ▁l ively , ▁che ery ▁social ▁but ter fly , ▁the ▁adult ▁Mul an ▁K ato ▁is ▁a ▁dark er