Rule 34 Dev - 1girl alternate_costume animal_ears blue_hair blurry blurry_background breasts cleavage clenched_hands collarbone earrings grass hair_ornament highres horse_ears horse_girl horse_tail jewelry medium_breasts open_mouth purple_eyes single_earring solo sweat tail umamusume verxina_(umamusume) zenbrush2|25248696174