1girl, adjusting_clothes, adjusting_headwear, alternate_costume, animal_ears, armpits, arms_up, bad_pixiv_id, blush, breasts, horse_ears, horse_girl, long_hair, looking_at_viewer, mejiro_mcqueen_(ripple_fairlady)_(umamusume), mejiro_mcqueen_(umamusume), mikami_hotaka, official_alternate_costume, portrait, purple_eyes, purple_hair, small_breasts, solo, umamusume, white_background