A girl has disappeared. She was supposed to be enjoying her youth, but she suddenly disappeared without any clues. The fate that awaited the girl was to give up on being human. Her clothes were torn, she was restrained like an animal, and one after another, men were thrust into her mouth and genitals! She was called a "pig," and her dignity, emotions, and words were taken away. All that remained was her instincts as a female livestock! In this city, there is a confinement room called a pigsty.