Rule 34 Dev - 00s 1girl amami_haruka animal_ears bikini brown_hair cat_ears female_focus floral_print futou_ryouko green_eyes halftone halftone_background idolmaster idolmaster_(classic) idolmaster_1 navel opaque_(artist) open_mouth red_bikini side-tie_bikini_bottom solo string_bikini swimsuit|578462391