Akari Hayasaka attends Sakuragaoka High School as Art Club president. She has waist-length purple hair, red eyes, and stands 158 cm tall, with her beauty enhancing her popularity. Her personality blends gentleness and positivity, often comforting friends like Natsuki Enomoto and Miou Aida in motherly fashion. Though perceptive about others' romantic struggles, she remains unaware of her own feelings until her third year. This airheadedness extends to her unconventional social thinking. Like Haruki Serizawa, she masks insecurities about her artistic success and popularity, fearing dismissal.

Artistically accomplished, Akari wins contest awards and creates the main painting for the Movie Research Club’s final project. She improved academically in high school after middle school struggles. Outside studies, she frequents Hoshiya sweets shop, enjoying cake selection.

Her close friends include Natsuki, Miou, Yu Setoguchi, and Haruki. She shares a middle school bond with Sena Narumi, though Sena’s modeling career limits their time. Sota Mochizuki harbors a longstanding crush, initially viewing her as unattainable with minimal interaction until his third-year confession. Akari finds him kind yet confusing due to his nervousness; before recognizing her feelings, she inexplicably desires closeness.

Romantic development begins with her admiring love conceptually while overlooking others' affections. Sota’s confession sparks her gradual journey from confusion to reciprocating mutual feelings.