Tawaraya Satsuki is known to have a crush on Asou Hiroyoshi, and enjoys and excels at basketball despite her height. She is a very determined player when it comes to sports and tends to be a fierce competitor in general. Working with Sagano, she recruits enough friends to form a girl's basketball team, which she helps to coach, and is one of the players who remains on the team after the basketball arc ends.
She makes her first appearance in the anime in Episode 8 of season 2.