Naoki Uemura is a former soccer player who once played as a teammate of Hideo Akagi, a professional athlete in the Tokyo Spirits. His soccer career was cut short by a serious leg injury that left him permanently impaired, requiring him to use a crutch and wear a cast on his right leg. This injury became the source of deep resentment, and Uemura grew bitter over the lost opportunities and the success that Akagi continued to enjoy. His primary motivation is revenge against Akagi, whom he apparently blames for his misfortune or envies for his uninterrupted career. To carry out his plan, Uemura kidnaps Akagi’s younger brother, using the abduction as a means to strike back at his former teammate. In the story, he appears as a minor antagonist connected to this separate kidnapping incident, which runs parallel to the main bombing plot. His personality is marked by stubborn bitterness and a single‑minded focus on retaliation; he does not experience any significant change or redemption during the film. His relationship with Akagi is the central link, shifting from former camaraderie to outright hostility. Uemura’s notable abilities include his firsthand knowledge of soccer and the personal history he shares with Akagi, which he exploits to get close to his target. Despite his physical limitation, he is determined and methodical in executing his revenge.