Rule 34 Dev - 1girl bikini black_hair blue_bikini blue_choker blue_eyes blush breasts choker cleavage floral_print_bikini frilled_bikini frills highres idolmaster idolmaster_shiny_colors kevn layered_bikini long_hair medium_breasts mitsumine_yuika pool pool_ladder sidelocks smile solo swimsuit thighs two_side_up wristband|25568563644