1girl, arknights, blue_sky, breasts, cleavage, demon_girl, demon_horns, evening, fork, hair_intakes, hair_rings, holding, holding_fork, horns, long_hair, long_sleeves, looking_at_viewer, official_alternate_costume, outdoors, purple_eyes, sky, small_breasts, smile, solo, surtr_(arknights), surtr_(colorful_wonderland)_(arknights), upper_body, very_long_hair, yuanxi_(mijiang165)