Rule 34 Dev - 1girl arms_behind_back belly blush cheerleader collarbone cowboy_shot feet_out_of_frame female_focus green_eyes grey_hair head_tilt highres kokekokko_coma looking_at_viewer midriff navel pink_skirt pom_pom_(cheerleading) short_hair simple_background skirt smile solo standing white_background yama_no_susume yukimura_aoi|16396834662