 Nyorai mberi kweiyi ndima - Muna Chikumi 2001, Nasu akasarudzwa Japan U-20 timu yenyika ye2001 World Youth Championship. Asi haana kutamba mumutambo wacho. MunaAugust 2004, akasarudzwa Japan U-23 timu yenyika ye2004 Summer Olympics uye akatumidza kaputeni. Akatamba mitambo miviri. 