Rule 34 Dev - 1girl bikini bikini_under_clothes black_bikini blonde_hair blue_eyes blush breasts grin hachimiya_meguru hair_flaps highres hiiragi_ken idolmaster idolmaster_shiny_colors large_breasts long_hair looking_at_viewer no_pants shirt shirt_hold simple_background smile solo swimsuit very_long_hair white_background white_shirt|22518163044