Iroha Kagawa

Iroha Kagawa is a minor character who debuts in Episode 28. She is Shion Todo's longtime Go rival. When she was younger, she was beat in a Go game by Shion, and she still holds her grudge.

In her civil form, Iroha is shown to be a snob - prideful and somewhat spoiled, very much like that of a stereotypical rich girl. In her idol form however, her personality changed drastically - becoming much more soft-spoken, refined, and ladylike.

(Source: PriPara Wikia)