1girl, arknights, backlighting, bare_shoulders, bikini, bikini_under_clothes, black_bikini, black_choker, bracelet, breasts, burnt_clothes, choker, cleavage, cloud, cloudy_sky, collarbone, cowboy_shot, cy9, detached_sleeves, evening, hair_ornament, hair_rings, horizon, horns, jewelry, large_breasts, long_hair, long_sleeves, mouth_hold, navel, ocean, official_alternate_costume, popsicle_stick, purple_eyes, red_hair, side-tie_bikini_bottom, sky, solo, star_(symbol), star_hair_ornament, sunlight, sunset, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, very_long_hair, wading, water