N . D . ▁Y up i ▁challeng es ▁Mas ashi , ▁but ▁Kur age - bo ▁comes ▁to ▁his ▁rescue ▁and ▁be ats ▁Y up i ▁in ▁combat ▁with ▁im pe cc able ▁k ung - fu ▁skill . ▁ ▁Mas ashi ▁comes ▁home ▁to ▁find ▁his ▁uncle , ▁Na oto ▁( T ak umi ▁S ait oh ), ▁who ▁works ▁at ▁the ▁local ▁research ▁center , ▁arg uing ▁with ▁his ▁mother ▁at ▁the ▁door . ▁" This ▁town ▁is ▁dangerous ," ▁Na oto ▁appe als ▁to ▁Y as uk o . ▁She ▁ret ort s ▁with ▁anger , ▁" You ▁want ▁us ▁out ▁of ▁here ?" ▁Later , ▁Na oto ▁makes ▁Mas ashi ▁promise ▁to ▁report ▁to ▁him ▁if ▁he ▁not ices ▁anything ▁strange . ▁Although ▁Na oto ▁takes ▁note ▁of ▁Kur age - bo ▁in ▁Mas ashi ' s ▁back pack , ▁he ▁doesn ' t ▁bring ▁it ▁up . ▁ ▁One ▁day ▁on ▁his ▁way ▁home ▁from ▁school , ▁Mas ashi ▁comes ▁across ▁his ▁class m ates ▁playing ▁on ▁the ▁grounds ▁of ▁a ▁shr ine , ▁making ▁their ▁F . R . I . E . N . D . s ▁fight ▁one ▁another . ▁The ▁boys ▁try ▁to ▁force ▁Mas ashi ▁to ▁join ▁the ▁battle , ▁but ▁Kur age - bo ▁is ▁now here ▁to ▁be ▁seen ▁and ▁the ▁F . R . I . E . N . D . s ▁are ▁upon ▁him . ▁At ▁the ▁cru cial ▁moment , ▁enorm ous ▁and ▁powerful ▁Lux or