1boy, 2girls, alternate costume, animal ears, bike shorts, blush, breasts, cleavage, dumbbell, greyscale, horse ears, horse girl, horse tail, large breasts, mayano top gun (umamusume), monochrome, multiple girls, narita brian (umamusume), ponytail, running, t-head trainer, tail, tojosuiku, trainer (umamusume), umamusume