1girl, aiv, arknights, arm_strap, bare_shoulders, black_dress, black_jacket, breasts, cleavage, closed_mouth, dress, horns, jacket, long_hair, long_sleeves, looking_at_viewer, medium_breasts, open_clothes, open_jacket, purple_eyes, red_hair, self_hug, simple_background, solo, surtr_(arknights), upper_body, white_background