1girl, 9degree, arknights, arm_up, banned_artist, bikini, bikini_under_clothes, black_bikini, breasts, demon_horns, hair_between_eyes, hair_intakes, hair_rings, horns, long_hair, looking_at_viewer, medium_breasts, official_alternate_costume, parted_lips, purple_eyes, red_hair, shirt, sidelocks, simple_background, sketch, solo, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), swimsuit, white_background, white_shirt