Rule 34 Dev - 1girl alternate_costume animal_ears armpits arms_behind_head blue_eyes blush breasts commentary_request ganimede horse_ears horse_girl looking_at_viewer medium_breasts midriff navel ninja no_shoes open_mouth pink_hair sakura_chiyono_o_(umamusume) scarf spread_legs squatting thighhighs umamusume|23525308755