"Judo Bu Monogatari" centers on the life of a high school judo club and its members, exploring their personal growth, struggles, and triumphs within the sport. The narrative primarily follows a group of students who join the judo club, each with varying levels of experience and motivation. The protagonist, often a newcomer or someone rediscovering their passion for judo, serves as the lens through which the story unfolds. The series delves into the technical aspects of judo, showcasing matches, training regimens, and the philosophy behind the martial art.

The plot is structured around the club's journey through regional and national competitions, highlighting the camaraderie and rivalries that develop among the team members. Key characters include the determined but inexperienced protagonist, a seasoned and disciplined captain, and a coach who embodies the spirit of judo, often providing mentorship and life lessons. Secondary characters, such as rival teams and supportive peers, add depth to the narrative, creating a dynamic interplay of competition and mutual respect.

Themes of perseverance, self-discovery, and teamwork are central to the story. The characters face personal challenges, both on and off the mat, which are intricately tied to their development as judokas. The series balances intense judo matches with moments of introspection, emphasizing the mental and emotional aspects of the sport. Through its portrayal of the judo club's journey, "Judo Bu Monogatari" offers a comprehensive look at the dedication required to excel in martial arts and the bonds formed through shared struggle and achievement.