1girl, arknights, bare_legs, bare_shoulders, beach, bikini, black_bikini, black_nails, blush, breasts, cleavage, closed_mouth, collarbone, demon_horns, detached_sleeves, feet, hair_between_eyes, hair_ornament, hair_rings, hand_up, horns, large_breasts, legs, long_hair, looking_at_viewer, nail_polish, navel, ocean, official_alternate_costume, outdoors, pointing, pointing_up, pout, purple_eyes, red_hair, ru_zhai, sitting, solo, stomach, sunlight, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, toenail_polish, toenails, torn_clothes, very_long_hair, water, wooden_deck