1girl, arknights, bare_legs, bare_shoulders, bikini, black_bikini, blush, breasts, burnt_clothes, cleavage, criss-cross_halter, detached_sleeves, halterneck, horns, kuroduki_(pieat), light_smile, long_hair, looking_at_viewer, official_alternate_costume, parted_lips, purple_eyes, red_hair, see-through, slit_pupils, solo, stomach, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, thigh_strap, wrist_cuffs