Morikawa is a supporting character in the anime film 100 Meters. He is a young athlete who began participating in track and field because he admires Togashi, the protagonist and gifted sprinter. His motivation stems from that admiration, and he appears as a friend and fellow runner within the story. While his role in the film is minor, he represents one of the characters inspired by Togashi’s ability. His personality is defined by his respect for Togashi and his own commitment to running. No significant development or notable abilities beyond his status as a young track athlete are documented in available sources.