<prompt> Pedzisa mutsara unotevera: Musi wa7 Kurume 2008, Kumagai paakanga aine makore gumi nemanomwe, akatanga kutamba timu yenyika yeJapan vachipesana neCanada. Muna Nyamavhuvhu, Kumagai akasarudzwa kuchikwata chenyika cheJapan U-20 pa2008 U-20 World Cup. Muna 2010, akatamba U-20 chikwata sezvo mukuru panguva 2010 U-20 World Cup. Muna 2011, aive chikamu chechikwata cheJapan chakahwina mukombe weWorld Cup, achihwina penareti yekukunda mu  <response>: yokupedzisira neUnited States. Aivewo muchikwata che2012 Summer Olympics uye 2015 World Cup. Japan yakava yechipiri mumakwikwi ose ari maviri. Muna Ndira 2017, akatumidzwa zita rekuti kaputeni weJapan nemaneja Asako Takakura. Muna 2018, Japan yakakunda 2018 Asian Cup. Akatamba mitambo inopfuura zana yeJapan. Musi wa10 Mbudzi 2019, Kumagai akarova chibodzwa chake chekutanga mumutambo wehushamwari weJapan mukukunda 20 vachipesana neSouth Africa. 