Teruko is shown as a sweet girl, who loves to be pampered by carrying her on her back and obeying her orders. In reality, she is quite a sadistic adult woman, capable of doing anything to obey the orders of her beloved captain fukuchi. Her girlish appearance allows her to get closer to others, putting on a sweet front and then revealing how temperamental and sadistic she really is. She hates criminals and always expresses her desire to want to kill them in an adorable way.