1girl, alternate_costume, armpit_crease, ass_visible_through_thighs, bad_pixiv_id, bare_arms, bare_shoulders, blush, breasts, brown_hair, cleavage, closed_mouth, cloud, collarbone, day, horse_girl, long_hair, looking_at_viewer, medium_breasts, mejiro_dober_(umamusume), navel, outdoors, purple_eyes, raised_eyebrows, solo, sports_bikini, sweat, umamusume, zeatto