|Japanese name:||宇津木 玉子|
|School:||Koshigaya Girls' High School|
|Grade:||Third-year high school|
|Debut:||Saki Achiga-hen, Chapter 6|
|Voiced by:||Kei Shindou|
|Live-action actor:||Asuka Ōgame|
Tamago has medium length strawberry blonde hair that is wild and unkempt and blue eyes. She wears the standard Koshigaya Girls' uniform. In the manga, her eyes are constantly moving up and down. However they are normal in the anime.
National Tournament Arc
Tamago's match in the national tournament is only briefly shown. In her match, she was soundly beaten and gave up the most points, dropping her team to last place. Koshigaya did not advance to the next round.
Final Eight Arc
Tamago and her team were also seen after the vanguards' match at the side B semi-finals.