Mutsuko Sakura is a prominent character in the anime series 'Major.' As a childhood friend of the protagonist, Goro Honda, she plays a significant supporting role throughout the series. Mutsuko is a kind-hearted, supportive, and steadfast individual, often providing emotional support to Goro during his baseball journey. Her character evolves from a caring classmate to a devoted partner, as she later becomes Goro’s wife. Mutsuko's presence in the series underscores themes of loyalty and friendship, highlighting the personal side of Goro's otherwise sports-centric life.