1girl, animal_ears, black_pants, black_sports_bra, blue_eyes, breasts, brown_hair, clothes_lift, horse_ears, horse_girl, horse_tail, indoors, lifted_by_self, looking_to_the_side, medium_breasts, mejiro_ryan_(umamusume), multicolored_hair, navel, open_mouth, pants, shirt, shirt_lift, short_hair, sleeveless, sleeveless_shirt, solo, sports_bra, standing, sweat, tail, teaclaw, two-tone_hair, umamusume, undressing, white_hair, white_shirt