Rule 34 Dev - 1girl areola arm_support bangs beach beach_towel beach_umbrella big_breasts bikini bikini_bottom bikini_pull bikini_top blush breasts breasts_outside choker cooler from_behind hair_between_eyes idolmaster jewelry knee_up long_hair looking_at_viewer navel necklace nipples ponytail purple_hair red_bikini shirase_sakuya side-tie_bikini sitting smile swimsuit yellow_eyes|759700