Akari Hyuuga has long auburn hair, which she keeps in place with a hair clip on the right side. She is notably one of the tallest girls at her school, despite being a first-year student.

Her school uniform consists of the standard attire, but she often chooses not to wear the accompanying jacket, even during colder months.

.

Akari Hyuuga is an athletic and energetic individual, though she struggles academically. She is considerate of others and tries not to burden anyone, even at the expense of her own feelings. However, she can also be persistent, particularly when it comes to her romantic interest in Oogaki, sometimes to the point of being overly determined.

Akari Hyuuga attended the same middle school as Yuu Koito and Koyomi Kanou, where they became close friends. During this time, she was an active member of the basketball team.

Her decision to apply to her current high school was influenced by Oogaki, an upperclassman from the basketball team whom she harbored a crush on.

The name Akari (朱里) is composed of “aka” (朱) meaning “vermilion red” and “ri” (里) meaning “village,” reflecting a warm and vibrant image. Her surname Hyuuga (日向) translates to “sunny place,” symbolizing brightness and warmth, which aligns with her energetic and athletic nature.