follows all orders given to him in an extreme way; he memorizes a number of different passing routes, and once Kid calls one out, he will almost automatically not falter from the course unless overpowered. However, he does act upon his own impulses to help keep Monta from attacking the referee to keep the Devil Bats from being disqualified. Later, he serves as a personal coach for Manabu Yukimitsu during the Devil Bats' preparation for the Christmas Bowl. Riku Kaitani is the running back of the Seibu Wild Gunmen. He is a childhood friend of Sena, whom he considers a little brother, and who taught Sena how to run extremely fast in order to stand up to bullies. Riku eventually moves away and only meets Sena again during the Autumn Tokyo Tournament. Later, he serves as a personal coach for Tetsuo Ishimaru during the Devil Bats' preparation for the Christmas Bowl. At the end of the series, he is shown to be attending Enma University. Shinryuji Naga is considered the strongest high school American football team in Kantō. It is based on Kanagawa in a boys-only school which follows Buddhism. Prior to the series' start, they have never been defeated at the Kantō Tournament. However, in the first game of the tournament, the Devil Bats overcomes them. Its members include the Kongo brothers—Agon and Unsui—, Ikkyu Hosokawa, the cornerback, Gondayu Yamabushi, the senior lineman, an androgynous-looking running back, and the coach. Agon Kongo is the younger of twin brothers on the Shinryuji Naga team. Agon joined the school through a scholarship for students with athletic skills above average, and he is considered a genius player who appears only once in a century, and he treats everyone with indifference, arrogance, and as worthless trash. He can play in most of the skill positions, and has a reaction time of 0.11 seconds. However, Agon is a womanizer and irresponsible, having to be monitored by his brother, Unsui. Inagaki described him as "a real ladies' man, a very strong character" and noted he could not depict Agon "laying with the ladies" in a shōnen manga. Unsui Kongo is the Naga's quarterback. He is known for his dedication to training and for his passion for football but is considered merely "a good player", the opposite of his brother, Agon. Unsui never overcome his brother, and, aware of such situation, he decided to make his