1girl, arknights, black_dress, black_thighhighs, chouchouhei, dress, foreshortening, garter_straps, grey_hair, habit, hand_on_own_chest, long_hair, long_sleeves, looking_at_viewer, nun, parted_lips, pelvic_curtain, red_eyes, simple_background, smile, solo, specter_(arknights), thighhighs, very_long_hair, white_background