Back in high school, Katsumi was a pitcher for his high school’s baseball team. The eldest of the Minato siblings gave up on his dreams when their mother disappeared so as to support his family. Katsumi shows off his burning fighting spirit in a retirement match for a local baseball team’s coach. Katsumi is injured during a battle with a monster and uses the coach’s words and skills as a pitcher to find renewed determination in his mission as Ultraman.