2girls :o ;d armpits bare_legs beret bikini black_bikini blonde_hair blurry breasts choker cleavage commentary_request crossover day flower frilled_bikini frills front-tie_bikini_top front-tie_top green_eyes halterneck hat long_hair looking_at_viewer medium_breasts multiple_girls natsuki_(yuuki_yu) navel one_eye_closed open_mouth original outdoors pink_hair salute side-tie_bikini_bottom sitting smile sparkle summer swimsuit wavy_hair yuuki_yuu