Rule 34 Dev - 1girl black_dress book breasts commentary_request dress drill_hair emu_(trigger) grey_hair holding holding_book idolmaster idolmaster_cinderella_girls kanzaki_ranko looking_at_viewer medium_hair necktie open_mouth outstretched_arm red_eyes red_necktie sketch small_breasts smile solo sparkle twin_drills upper_body wrist_cuffs|23505092793