1girl, arknights, bare_shoulders, barefoot, bikini, black_bikini, black_nails, blush, breasts, closed_mouth, detached_sleeves, feet, hair_intakes, hair_ornament, hand_up, horns, long_hair, looking_at_viewer, nail_polish, navel, official_alternate_costume, outdoors, purple_eyes, red_hair, ru_zhai, sitting, slit_pupils, solo, star_(symbol), star_hair_ornament, stomach, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, thighs, toenail_polish, toenails, water