2girls, all_fours, animal_ears, atago_(azur_lane), atago_(summer_march)_(azur_lane), azur_lane, bare_legs, beach, beach_towel, bikini, bikini_skirt, blue_sky, blush, breast_press, breasts, brown_eyes, casual_one-piece_swimsuit, cleavage, closed_mouth, cloud, collarbone, day, flower, hair_flower, hair_ornament, hair_ribbon, horizon, lens_flare, licking_lips, long_hair, looking_at_another, lying, medium_breasts, multiple_girls, nagura_shiro, navel, ocean, official_alternate_costume, on_back, one-piece_swimsuit, open_mouth, outdoors, ponytail, ribbon, sidelocks, sky, swimsuit, takao_(azur_lane), takao_(beach_rhapsody)_(azur_lane), tongue, tongue_out, towel, wavy_mouth, white_bikini, white_one-piece_swimsuit