Mejiro Ramonu is a legendary Uma Musume character from Uma Musume Pretty Derby, standing 165cm tall and belonging to the prestigious Mejiro family. She is historically significant as the first Triple Tiara winner in racing history. Despite being born weak and initially unable to run, Ramonu developed an intense passion for racing through dedicated training and became obsessed with the sport. Her story follows her journey as a racer devoted entirely to her love of racing, alongside her trainer who shares her passion. Ramonu is known for her extreme personality swings, particularly regarding food consumption, which can range from refusing to eat when stressed to consuming eight meals daily. She famously resisted pressure from the URA to retire and train the next generation, instead continuing her racing career. After retirement, she worked as a breeding horse and became known for being obedient to people while caring for foals, though she remained harsh and strict toward other horses. Ramonu achieved 9 wins out of 12 races with total prize money of 311,920,100 yen and earned a rating of 62 in 1986.