Rule 34 Dev - 1girl ahoge animal_ears black_hair blush bra_strap breasts cleavage collarbone commentary dot_nose fanny_pack grey_background horse_ears iwawa kitasan_black_(umamusume) looking_at_viewer multicolored_hair open_mouth shirt short_hair short_sleeves smile solo squatting streaked_hair umamusume white_shirt yellow_eyes|14803103718