|Japanese name:||津秋 優奈|
|School:||Karouto High School|
|Grade:||Second-year high school|
|Debut:||Saki, round 174|
Yuuna Tsuaki is a second year student at Karouto High School.
She has long green hair tied in the front near the ends. She has yellowish eyes and wears the standard Karouto uniform.
National Championship Arc
Yuuna finds Ichigo Sasano walking around and asks her about Hiroe Atago's match. She then tells her that if she is interested she can watch it later. Yuuna also says that they need to focus on getting stronger for the individual tournament.