1girl, alternate_costume, animal_ears, bed, blush, breasts, brown_hair, cleavage, hair_ornament, hairclip, hat, horse_ears, horse_girl, horse_tail, itsukawa_kamieshi, looking_at_viewer, matikane_tannhauser_(umamusume), medium_breasts, medium_hair, simple_background, solo, tail, umamusume, underwear, yellow_eyes