1girl, arknights, black_shirt, black_skirt, blue_eyes, breasts, chouchouhei, cowboy_shot, feather_boa, hair_between_eyes, hat, heidi_(arknights), long_hair, long_sleeves, looking_at_viewer, medium_breasts, pink_hair, red_headwear, red_sleeves, shirt, simple_background, skirt, smile, solo, white_background