1girl, ^_^, animal_ears, arknights, banned_artist, bare_shoulders, black_dress, cat_ears, character_doll, closed_eyes, cowboy_shot, cyanide-whale, dress, ears_through_headwear, feather_boa, gloves, grey_background, grin, hair_between_eyes, heidi_(arknights), holding, kal'tsit_(arknights), long_hair, off_shoulder, pink_hair, red_gloves, red_headwear, simple_background, smile, solo, standing, strapless, strapless_dress, very_long_hair