Rule 34 Dev - 1girl 80s armpits arms_behind_head arms_up ayukawa_madoka beach bikini black_hair breasts cloud covered_erect_nipples green_eyes hat kimagure_orange_road long_hair looking_at_viewer navel oldschool parted_lips red_bikini retro_artstyle solo straw_hat sunset swimsuit tomoeri traditional_media underboob water|16256160999