Sayuna Hoshino

Sayuna Hoshino (星野 沙夕菜 Hoshino Sayuna) is the winner of the Niigata elementary tournament during her 6th year at Hakusanura Elementary School.

Appearance
Sayuna has green hair that is styled in a bob style and purple eyes.

She was 161 cm tall during her 6th year in elementary school and is rather tall for her age.

Personality
Sayuna is a girl who likes to take it easy and avoid any kind of "trouble". She considers anything that takes to long a pain but is willing to leave things to fate.

Children's National Tournament Arc
Sayuna starts off the fourth round match strong by winning the first round bonus hand off of Shino Shiratsuki. Kokoro Oroku notices the girl sighs a lot and asks her why. Sayuna tells her that this is a pain and wishes to get it over with. She then wins the next round off of Kokoro as well as the East's fourth round. She was in second place until the South's third round when Shino hits her with a ron of 12,000 pts. When the final round came to a close, she thought the match would be over but is stunned to find out that Shino has continued the game with the bonus round. However, she still got eliminated with Harue Akado and Shino and Kokoro advanced. Sayuna then says that she dealt in too many times but got to see a weird girl so it was okay.

2nd Children's National Tournament Arc
She is present with Sora Mineoka and Yuuko Kainou when Shino arrives. They greet each other and she says she wishes to end this quickly.

Etymology

 * The name Sayuna means "sand" (沙) (sa), "evening" (夕) (yu) and "vegetables, greens" (菜) (na).
 * Sayuna's surname Hoshino means "star" (星) (hoshi) and "field, wilderness" (野) (no).