4girls, ayanami_(azur_lane), azur_lane, beach, bikini, bird, blue_hair, boat, bra, breasts, brown_hair, cake, closed_eyes, closed_mouth, cloud, day, duck, food, ikazuchi_(azur_lane), inazuma_(azur_lane), innertube, juice, laffey_(azur_lane), manjuu_(azur_lane), multiple_girls, navel, official_alternate_costume, ootsuki_momiji, open_mouth, outdoors, palm_tree, pink_hair, ponytail, purple_bikini, purple_hair, side-tie_bikini_bottom, sky, sleeping, small_breasts, sun, sunlight, surfboard, swimsuit, tree, twintails, umbrella, underwear, watercraft, yellow_innertube