In 2022, she medaled gold at the World Junior Curling Championships as the skip for the Japanese team.

She graduated from Saku Municipal Asashina Junior High School [ja] and Nagano Prefecture Nozawa Kita High School [ja], and currently attends Japan Women's University.

[1] She began curling in fourth grade through the SWAN Project, which was held in Nagano to train Winter Olympic medalists.

She competed in the World Junior Curling Championships the next month in replacement of Miyu Ueno who was absent because of her high school entrance exams; Yamamoto placed tenth.

[6] In May 2022, Yamamoto won the first Japanese gold medal for the World Junior Curling Championship.