Kammala wannan jumla: Narita ta yi amfani da keken guragu saboda cutar myelitis tun tana 'yar shekara 13; a shekara ta 1994, ƙari ga haka, ta shiga cikin haɗarin mota wanda ya bar ta gurgu. A shekarar 1996, ta wakilci Japan a
Wasannin Paralympic a Atlanta, inda ta lashe lambar zinare biyu, azurfa biyu da tagulla daya. A Wasannin Paralympics na bazara na 2000 a Sydney, ta lashe lambobin zinare shida. Ta kuma kafa tarihin duniya guda biyar a Wasannin Sydney.