Kammala wannan jumlar: An haife ta ne a Takasaki, Gunma, ta halarci makarantar sakandare ta Sendai Ikue <unk> cibiyar da aka san ta da shirin wasannin motsa jiki. Kinukawa ta fara tasiri a zauren matasa na kasa a shekarar 2006, lokacin da ta lashe tseren matasa a Fukuoka International Cross Country kuma ta kasance ta biyu a tseren tseren Chiba makonni biyu bayan haka. Wannan ya ba ta zaɓi na farko na kasa da kasa a gasar
2006 IAAF World Cross Country Championships (wanda aka gudanar a Fukuoka), inda mai shekaru goma sha shida ya zo a wuri na goma sha huɗu kuma ya taimaka wa 'yan matan Japan zuwa lambar tagulla ta tawagar. Ta juya zuwa waƙar daga baya a watan Afrilu, ta gudanar da rikodin matasa na ƙasa a cikin mita 10,000 a Hyogo Relay Carnival, inda ta zama ta biyu a bayan Lucy Wangui tare da alamar minti 31:35.27 <unk> ta ɗaga ta zuwa ta goma sha ɗaya a kan martaba na matasa na kowane lokaci.