"Kick Off 2002" centers around the journey of a high school soccer team striving to overcome challenges and achieve success in competitive tournaments. The narrative primarily follows the players of Fujimi High School, a team with a history of underperformance, as they aim to rebuild their reputation and compete at the national level. The protagonist, Shou Oosawa, is a passionate and determined forward who becomes the driving force behind the team's resurgence. His leadership and unwavering commitment inspire his teammates to push beyond their limits.

The story explores the dynamics within the team, highlighting the struggles and growth of individual players. Key characters include the skilled but reserved midfielder, Tatsuya Mizuno, whose tactical brilliance complements Shou's aggressive playstyle, and the goalkeeper, Kenji Sugimoto, who battles self-doubt but gradually gains confidence through his teammates' support. The coach, Mr. Takamura, plays a pivotal role in guiding the team, emphasizing discipline, teamwork, and perseverance.

As the season progresses, Fujimi High faces formidable opponents, each match serving as a test of their skills and resolve. The series delves into the physical and emotional toll of competitive sports, portraying the players' personal struggles, rivalries, and camaraderie. Themes of perseverance, teamwork, and self-discovery are woven throughout the narrative, as the team learns to trust one another and embrace their collective potential.

The climax of the series revolves around Fujimi High's participation in the national tournament, where they confront elite teams and showcase their growth. The matches are intense and strategic, with the outcome often hinging on the players' ability to adapt and work together. Through their journey, the team not only aims for victory but also seeks to redefine their identity and prove their worth on the field. The series concludes with a reflection on their achievements and the bonds forged through their shared pursuit of excellence.