"Dohyō no Oni-tachi" is a sports drama anime centered around the world of sumo wrestling, exploring the lives, struggles, and ambitions of its characters within the competitive and hierarchical sumo community. The narrative primarily follows a young man named Ryota, who enters the sumo world with little prior experience but a strong determination to prove himself. His journey begins as a newcomer in a sumo stable, where he must adapt to the rigorous training, strict traditions, and intense rivalries that define the sport.

The story delves into the dynamics of the sumo stable, highlighting the relationships between the wrestlers, their mentors, and the stablemaster. Ryota’s growth is juxtaposed with the experiences of other wrestlers, each with their own motivations and challenges. Among them is Tatsuya, a seasoned wrestler struggling to maintain his position in the upper ranks, and Haruto, a prodigy whose natural talent is both a blessing and a source of pressure. The series portrays the physical and emotional toll of sumo wrestling, emphasizing the discipline required to succeed and the sacrifices made along the way.

As Ryota progresses, he faces numerous obstacles, including injuries, self-doubt, and the weight of expectations. The narrative also explores the cultural and societal aspects of sumo, shedding light on its traditions, rituals, and the respect it commands in Japanese society. The series balances intense matches with quieter moments of introspection, offering a comprehensive look at the lives of those who dedicate themselves to the sport.

The characters’ personal arcs are interwoven with the broader themes of perseverance, camaraderie, and the pursuit of excellence. Through its portrayal of sumo wrestling, "Dohyō no Oni-tachi" provides a nuanced depiction of a sport that is as much about mental fortitude as it is about physical strength, capturing the essence of what it means to strive for greatness in a demanding and often unforgiving environment.