|Japanese name:||上田 良子|
|School:||Bansei High School|
|Grade:||Third-year high school|
|Debut:||Saki Achiga-hen, Chapter 3|
|Live-action actor:||Yui Kitamura|
Ryouko has short spikey blonde hair and brown eyes. She wears the standard Bansei High uniform without the ribbon around her neck.
She is only shown briefly before her team is defeated by Achiga girls in the opening round of the prefectural tournament.
Final Eight Arc
She makes a small cameo during the national tournament. Here she is with her club members watching Achiga's matches on television.