1girl, arknights, beanie, black_headwear, black_pantyhose, blush, brown_eyes, closed_mouth, ears_through_headwear, frostleaf_(arknights), hands_up, hat, headphones, jacket, knees_up, long_hair, long_sleeves, looking_at_viewer, off_shoulder, open_clothes, open_jacket, pantyhose, pink_hair, puffy_long_sleeves, puffy_sleeves, red_jacket, ryoku_sui, simple_background, sleeves_past_wrists, solo, white_background