Aki Yazaki

Aki Yazaki (矢崎 亜紀 Yazaki Aki) is one of the characters in the light novel High☆Speed! written by Kōji Ōji and was one of Haruka, Makoto, and Rin's classmates from elementary school. She was also in the same swim club, Iwatobi Swimming Club, as Haruka, Makoto, Rin, and Nagisa.

History
In the same competition where the boys won first place in their relay, Aki and her friends won bronze in the girls relay.