Kaede Oikawa is a supporting character in Birdie Wing -Golf Girls' Story-. She is a second-year student and a member of the golf club at the Nannan Girls' Sports Academy in Kochi Prefecture. Her skill on the course is considerable, as she is talented enough to compete in doubles matches with Mizuho Himekawa, who is recognized as the school's strongest player.

In terms of personality, Kaede Oikawa is defined by her strong self-confidence and her pronounced competitive nature. She is portrayed as ambitious and occasionally displays a challenging or provocative attitude towards her rivals. This assertive demeanor is a key part of her character and makes her a notable presence in the competitive environment of the series.

Her primary role in the story is as a rival player, particularly in relation to the protagonist, Eve. Kaede's confidence and talent cause her to be singled out by Eve as a specific competitor to challenge and overcome. The dynamic between them is fueled by Kaede's confrontational approach to competition, which provides Eve with a clear target for her own ambitions within the school setting. The most significant relationship for Kaede is her partnership with Mizuho Himekawa. As doubles partners, they form a formidable pair for the Nannan Girls' Sports Academy. Her character is shown to be self-assured and determined, with her competitive drive being a central aspect of her personality.

Physically, Kaede has notable visual traits. She has orange eyes and short, black hair that is typically cut to ear length. Her development throughout the series is closely tied to her performance as a rival to the main characters, showcasing her growth through her high-level competitive matches and her partnership with Mizuho. As a golfer, her most notable ability is her high level of talent, which allows her to pair effectively with Mizuho Himekawa, the top player at her school, making them a strong doubles team. Her game is characterized by the confidence and ambition that define her approach to golf.