1girl, alternate_costume, animal_ears, breasts, gloves, grey_background, hair_rings, hanamura_pink, horse_ears, horse_girl, horse_tail, looking_at_viewer, medium_breasts, mesugaki, midriff, navel, open_mouth, purple_eyes, simple_background, solo, sweep_tosho_(umamusume), tail, twintails, umamusume