Suzune Horikita, a 16-year-old student at the elite Advanced Nurturing High School, boasts a slender, athletic frame and stands 156 cm (5'1½") tall. Her signature long black hair cascades into a single braid adorned with a pink bow on the left, complementing striking gradient eyes blending orange and blue hues. She adheres strictly to the school’s crimson blazer, white blouse, and skirt uniform, though she occasionally dons casual attire like a striped sundress and sun hat. As the younger sister of former Student Council President Manabu Horikita, Suzune enrolls to earn his acknowledgment. Despite her academic prowess, her initial reluctance to collaborate lands her in Class 1-D, fueling her resolve to ascend to Class A. Through trials, she evolves from a solitary strategist into a leader who embraces teamwork, recognizing collective effort as vital for advancement. Known for her sharp intellect and stoic demeanor, Suzune initially maintains a frosty distance from peers, fearing emotional ties might derail her ambitions. Over time, she softens, learning to forge alliances and navigate social dynamics. Serving as class representative in both Class 1-D and 2-D, she spearheads her classmates through academic and strategic challenges, refining her leadership while balancing pragmatism with newfound empathy. Her defining traits anchor her journey: unwavering academic discipline, a methodical approach to problem-solving, and a tenacious drive to reach Class A. As she cultivates trust and delegates responsibilities, her growth mirrors the institution’s ideals—transforming raw potential into collaborative excellence. Suzune’s arc intertwines personal ambition with the realization that human connections, though complex, are indispensable in surmounting a fiercely competitive world.