Rule 34 Dev - 1girl :d absurdres animal_ears blue_eyes blue_one-piece_swimsuit breasts ear_covers highres horse_ears horse_girl horse_tail looking_at_viewer one-piece_swimsuit open_mouth saikuu simple_background small_breasts smile solo standing swimsuit tail tamamo_cross_(umamusume) umamusume white_background white_hair|25401640797