4girls, aircraft, animal_ear_fluff, animal_ears, ayane_(blue_archive), bare_shoulders, beach, bikini, black_bikini, black_hair, blue_archive, blue_eyes, blush, breasts, cat_ears, day, extra_ears, eyewear_on_head, frilled_bikini, frills, hair_ribbon, halo, helicopter, heterochromia, hoshino_(blue_archive), hoshino_(swimsuit)_(blue_archive), long_hair, looking_at_viewer, multiple_girls, navel, nonomi_(blue_archive), nonomi_(swimsuit)_(blue_archive), ocean, official_alternate_costume, outdoors, piisu, red_eyes, ribbon, sand, serika_(blue_archive), serika_(swimsuit)_(blue_archive), shiroko_(blue_archive), shiroko_(swimsuit)_(blue_archive), sideboob, small_breasts, stomach, sunglasses, sweat, swimsuit, twintails, very_long_hair, wolf_ears, yellow_eyes