Rule 34 Dev - 10s 1girl :3 bare_arms bare_legs bare_shoulders black_hair breasts collarbone covered_navel eku_(threshold) eyebrows female_focus hair_ornament hairclip idolmaster idolmaster_cinderella_girls leaning_back looking_at_viewer one-piece_swimsuit open_mouth sasaki_chie shiny_skin sitting small_breasts solo swimsuit water wet|8180208738