Rule 34 Dev - 10s 1girl arms_behind_back black_thighhighs breasts cleavage closed_mouth collarbone female_focus groin hair_ornament highres idolmaster idolmaster_cinderella_girls jougasaki_mika looking_at_viewer medium_breasts najuco_(naju0517) navel pink_hair smile solo star_(symbol) thighhighs two_side_up yellow_eyes|7245928521