Rule 34 Dev - 1girl animal_ears arlcn_(arlcn_1115) blush breasts collar crossed_bangs hair_between_eyes hand_on_own_face hand_up highres horse_ears horse_girl long_hair long_sleeves medium_breasts parted_lips shirt simple_background smile solo still_in_love_(umamusume) twitter_username umamusume watermark white_background|24589489977