Shuro begins the search for the Astro Nine with Kyuichi, starting with Kyugo, a baseball prodigy raised by Nagashima from an orphanage. Although Kyugo bears the mark of a superhuman he refuses to join the Astro team out of loyalty while Shuro later shows Kyuichi footage of twin superhumans, Kyushichi and Kyuhachi, who have incredible defensive abilities.