Kammala wannan magana: Yayin da yake makarantar sakandare, Yamaguchi ya lashe gasar badminton ta kasa, yana fafatawa a wasan mata. A Wasannin Matasa na Asiya na 2 da aka gudanar a Nanjing, China a watan Agusta 2013, inda ta wakilci Makarantar Sakandaren Tomioka ta Gundumar Fukushima, ta lashe lambar zinare a cikin gauraye biyu. A watan Oktoba, ta wakilci Japan a
Wasannin Asiya ta Gabas da aka gudanar a Tianjin, China, inda ta zama ta uku a wasan mata. Bayan kammala karatun sakandare, ta shiga kungiyar badminton ta Re-Shunkan Pharmaceutical.