1girl, arknights, bare_shoulders, black_headwear, blue_nails, blush, from_side, grey_hair, hair_between_eyes, hand_on_own_cheek, hand_on_own_face, hat, long_hair, looking_at_viewer, looking_to_the_side, nail_polish, parted_lips, red_eyes, red_hair, shiullyn19, signature, smile, solo, specter_(arknights), specter_the_unchained_(arknights), upper_body, very_long_hair, water