1girl, arknights, armpits, bare_shoulders, bikini, black_bikini, blue_sky, breasts, burnt_clothes, day, demon_horns, detached_sleeves, from_side, hair_between_eyes, hand_up, horns, long_hair, looking_at_viewer, medium_breasts, outdoors, parted_lips, profile, purple_eyes, red_hair, sky, solo, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, tab_head, torn_clothes, torn_sleeves, upper_body, very_long_hair, wide_sleeves