2girls, d, ahoge, animal_ears, blush, braid, breasts, cat_cutout, choker, cleavage, clothing_cutout, collarbone, greyscale, gryebooks, hair_between_eyes, hair_ornament, horse_ears, horse_tail, long_hair, looking_at_viewer, medium_breasts, mejiro_bright_(umamusume), mejiro_dober_(umamusume), monochrome, multiple_girls, navel, o_o, open_mouth, simple_background, smile, sound_effects, speech_bubble, stomach, swimsuit, tail, umamusume, uniform