Mejiro McQueen is a female Umamusume, she is a student affiliated with Tracen Academy's Ritto Dormitory.

Born into a family of racing legends, Mejiro McQueen is a long-distance runner who is the envy of her peers. She has class and decorum befitting her prestige, and is determined to take first at the Tenno Sho like many Mejiro racers before her. On her days off, she enjoys having afternoon tea with the many other residents of the Mejiro estate.