"Alice the 101st" is a manga series that centers around the competitive world of classical music, specifically focusing on the students of the prestigious Alice Academy. The protagonist, Arihara Arisu, is a talented violinist who enters the academy as the 101st-ranked student, a position that reflects his lack of formal training and polish compared to his peers. Despite his low ranking, Arisu possesses a raw, instinctive talent that sets him apart, drawing both admiration and skepticism from those around him.

The narrative explores Arisu's journey as he navigates the rigorous demands of the academy, striving to improve his skills and rise through the ranks. His unconventional approach to music often clashes with the traditional methods emphasized by the institution, leading to conflicts with both instructors and fellow students. Key characters include his classmates, such as the highly disciplined and top-ranked violinist Akira Onda, who serves as both a rival and a source of inspiration, and the supportive yet competitive violinist Masaru Kanda, who challenges Arisu to grow.

As the story progresses, Arisu's passion and determination begin to earn him recognition, though his path is fraught with challenges, including self-doubt, intense rivalries, and the pressure to conform to the academy's standards. The series delves into themes of perseverance, individuality, and the pursuit of artistic excellence, highlighting the sacrifices and struggles inherent in the pursuit of greatness in the arts. Through competitions, performances, and personal growth, Arisu and his peers strive to carve out their identities as musicians, each grappling with their own ambitions and insecurities. The manga balances the intensity of the competitive environment with moments of camaraderie and introspection, offering a nuanced portrayal of the classical music world.