Yamaki Risa (山木梨沙) is a Japanese pop singer under Hello! Project as a member of Country Girls. She first joined Hello! Project as a 20th generation Hello Pro Kenshuusei in September 2013 alongside six other girls.
Yamaki Risa was born on October 14, 1997 in Tokyo, Japan.
In 2013, Yamaki participated in the Morning Musume 12ki Member "Mirai Shoujo" Audition for an opportunity to join Morning Musume. She made it up to the final round, but on August 24, it was announced that she failed to joined the group in the end along with the 6 other finalist.
In September, Yamaki joined Hello Pro Kenshuusei along with the other Mirai Shoujo finalists, becoming the 20th generation. On September 22, an introduction of Yamaki was uploaded to the Hello Pro Kenshuusei YouTube channel.
On December 7, Yamaki was officially introduced as a Hello Pro Kenshuusei at the Hello Pro Kenshuusei Happyoukai 2013 ~12gatsu no Nama Tamago Show!~, alongside Yokogawa Yumei, Niinuma Kisora, Oura Hirona, Danbara Ruru, Haga Akane and Funaki Musubu. All seven girls did a dance performance of Juice=Juice's debut single "Watashi ga Iu Mae ni Dakishimenakya ne".
From March 14 to March 23, Yamaki participated in the musical Bokutachi Karen na Shounen Gasshoudan along with Yasuda Kei, Ogawa Makoto and 7 other trainees. On opening day, the Hello Pro Kenshuusei single "Karen na Gasshoudan" was released to promote the musical.
On November 5, it was announced that Yamaki was added to Country Musume, now called Country Girls, alongside Inaba Manaka, Morito Chisaki, Shimamura Uta and Ozeki Mai. She will conclude her trainee activities following the November/December Nama Tamago Show Concert.
From December 3 to December 11, Yamaki participated in a stage play Kurukuru to Shi to Shitto , along with Niigaki Risa, Kikkawa Yuu, Hello! Pro Kenshuusei member Yamagishi Riko and S/mileage 3rd generation member Aikawa Maho.