1girl, arknights, bare_shoulders, blush, breasts, cleavage, detached_sleeves, grin, hair_between_eyes, hair_rings, horns, kasagland, large_breasts, long_hair, looking_at_viewer, navel, official_alternate_costume, purple_eyes, red_hair, simple_background, smile, solo, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), upper_body, very_long_hair, white_background