Leaning against the wall, she uses a thin rod to pierce her navel. She then secures the rod to the tip of her fist and proceeds to punch her navel repeatedly in a continuous series of actions. Finally, lying on her back, she stabs her navel and strikes her solar plexus, pushing the pain to its absolute limit. No matter how much she resists, her abdomen and navel are mercilessly tormented—savor the intense pleasure slowly and thoroughly.