1girl backless_dress backless_outfit bangs bare_back bare_shoulders breasts butt_crack commentary_request cowboy_shot dress from_behind halterneck hand_up heart idolmaster idolmaster_cinderella_girls large_breasts looking_at_viewer looking_back meme_attire naked_sweater parted_lips pataneet ribbed_sweater sato_shin shoulder_blades sideboob smile solo speech_bubble standing sweater sweater_dress swept_bangs translation_request turtleneck turtleneck_sweater twintails virgin_killer_sweater