Kyuuta's father is the famous baseball player, Hoshida Kyuuma. When his father gets traded to the Nihon Senators, Kyuuta is transferred to Netto's school when they have to move. Kyuuta hated leaving his old school, due to finally becoming friends with the school's baseball team. So Netto and co. decide to cheer him up with a friendly baseball game of their own, and give him a warm welcome to Densan Elementary! (Source: Rockman.exe Online)