1girl, ahoge, alternate_costume, animal_ears, balcony, bare_shoulders, blue_dress, blue_eyes, dress, formal, hair_between_eyes, horse_ears, kusanagi_kaoru, long_hair, looking_at_viewer, multicolored_hair, oguri_cap_(umamusume), open_mouth, outstretched_arm, sky, smile, solo, star_(sky), starry_sky, streaked_hair, two-tone_hair, umamusume, very_long_hair, white_hair