Ayaka Nakano attends Satogahama High School and acts as a budding reporter, diligently documenting activities for what she calls the school newspaper, even though the school lacks an official publication. She possesses ochre, neck-length hair with bangs swept to the right, cyan eyes, and wears round-shaped glasses. Her physical measurements are 83-61-85 cm, she stands 1.58 meters tall, and weighs 50 kilograms.

Ayaka peppers her speech with the verbal tic "nya," rendered in official subtitles as cat-related puns. This trait complements her keen interest in observation and gathering information, often leading her to strategically position herself to report on events involving the baseball team.

On the girls' baseball team, Ayaka serves as the center fielder, wearing jersey number 8. Her duties span both reporting on the team and her responsibilities in the field.

Her name "Ayaka" combines the characters for "design" (綾) and "fragrance" (香), while "Nakano" translates to "middle field" (中野). Her birthday is August 2, and her blood type is B.