"Special A" is a romantic comedy manga series that centers around the competitive and evolving relationship between Hikari Hanazono and Kei Takishima. The story is set in Hakusenkan, an elite private school where students are ranked based on their academic and extracurricular achievements. The top seven students form a group known as the "Special A" or "S.A.," an exclusive class that enjoys privileges and prestige. Hikari, the protagonist, has been determined to surpass Kei, her lifelong rival, since childhood. Despite her relentless efforts, she consistently ranks second to him in every aspect, fueling her competitive spirit.

Hikari’s rivalry with Kei began when they were children, after he defeated her in a wrestling match. This loss left a lasting impression on her, driving her to challenge him in academics, sports, and other activities. However, Kei, who is calm, composed, and effortlessly talented, harbors deeper feelings for Hikari, which she remains oblivious to due to her single-minded focus on surpassing him. Their dynamic is characterized by Hikari’s fiery determination and Kei’s quiet affection, creating a blend of humor and tension.

The S.A. class includes a diverse group of characters, each with distinct personalities and talents. Akira Toudou, a cheerful and energetic girl, is Hikari’s best friend and often provides comic relief. Jun Yamamoto, a stoic and serious individual, shares a close bond with Akira, though their relationship is complicated by unspoken feelings. Ryuu Tsuji, a laid-back and carefree character, contrasts with Megumi Yahiro, a sharp-tongued and calculating girl who often manipulates situations to her advantage. Tadashi Karino, the youngest member of the group, is a prodigy with a gentle demeanor, and his interactions with the others add depth to the group dynamics.

Throughout the series, the narrative explores the relationships and personal growth of the S.A. members, with a particular focus on Hikari and Kei. As Hikari continues to strive for victory over Kei, she gradually becomes more aware of his feelings and her own emotions. The story balances comedic moments with heartfelt scenes, delving into themes of rivalry, friendship, and love. The interactions between the characters drive the plot forward, with each member of the S.A. contributing to the group’s cohesion and development.

The manga also incorporates various subplots, including romantic entanglements, family dynamics, and personal challenges faced by the characters. These elements add complexity to the story, providing a richer context for the central relationship between Hikari and Kei. The series maintains a lighthearted tone while addressing deeper emotional undercurrents, making it a blend of humor and romance. The resolution of Hikari and Kei’s relationship serves as the culmination of the narrative, bringing their long-standing rivalry and unspoken feelings to a satisfying conclusion.