"Isaku Respect" is a sports anime centered around the world of professional wrestling, blending athletic competition with personal growth and interpersonal dynamics. The narrative revolves around Isaku Shinozuka, a young man who aspires to become a professional wrestler despite his lack of natural talent. His journey begins when he joins a small wrestling promotion called "Respect," where he trains under the guidance of seasoned wrestlers and learns the intricacies of the sport. The series explores the challenges Isaku faces as he strives to prove himself in a physically demanding and highly competitive environment.

The plot delves into the relationships between Isaku and his fellow wrestlers, each of whom has their own motivations and struggles. Key characters include Tetsuo Kido, a veteran wrestler who becomes Isaku's mentor, and Rika Aizawa, a former idol turned wrestler who seeks to redefine her identity through the sport. The story also highlights the rivalries and camaraderie within the wrestling community, emphasizing the importance of respect, perseverance, and teamwork.

As Isaku progresses, he encounters various opponents, each presenting unique challenges that test his skills and resolve. The series balances intense wrestling matches with moments of introspection, showcasing the emotional and physical toll of pursuing a career in professional wrestling. Themes of self-discovery, resilience, and the pursuit of excellence are woven throughout the narrative, providing a comprehensive look at the world of wrestling from both a personal and professional perspective. The anime concludes with Isaku's growth as a wrestler and his evolving understanding of what it means to truly earn respect in the ring.