Mezue ahịrịokwu na-esonụ: Mgbe ọ nọ n'ụlọ akwụkwọ sekọndrị, Yamaguchi meriri n'asọmpi badminton mba ahụ, na-asọ mpi n'asọmpi ụmụ nwanyị. Na 2nd Asian Youth Games nke emere na Nanjing, China na August 2013, ebe ọ nọchitere anya Fukushima Prefectural Tomioka High School, o meriri nrite ọla edo na ngwakọta agwakọtara. N'ọnwa Ọktoba, ọ nọchitere anya Japan na
Egwuregwu East Asia nke emere na Tianjin, China, ebe o meriri nke atọ na egwuregwu ụmụ nwanyị. Mgbe ọ gụsịrị akwụkwọ n'ụlọ akwụkwọ sekọndrị, ọ sonyeere ndị otu egwuregwu badminton Re-Shunkan Pharmaceutical.