1girl, animal_ear_fluff, animal_ears, arknights, bare_shoulders, black_shirt, black_sleeves, border, braid, breasts, cleavage, detached_sleeves, envelope, frown, grey_background, hair_ornament, hand_up, holding, holding_envelope, huan_sakura, long_hair, looking_at_viewer, medium_breasts, outside_border, pink_hair, portrait, pozyomka_(arknights), red_eyes, shirt, simple_background, solo, split_mouth, white_border, wolf_ears, wolf_girl