1girl, <, ?, ahoge, animal_ears, blush, breasts, cleavage, hair_between_eyes, halloween_costume, heart, horse_ears, large_breasts, looking_at_viewer, medium_hair, meisho_doto_(umamusume), onsoku_inu, open_mouth, portrait, purple_eyes, simple_background, solo, spoken_heart, triangle_mouth, umamusume