A couple named Arihana moved into an apartment. The couple's relationship had already grown cold. The man living downstairs was observing the Arihana couple. One day, he invited Arihana to his home, saying that her luggage had been delivered to the wrong place. He drugged her and rendered her unconscious, then secured her to the bed with restraints and rope. After a while, Yuka woke up and was toyed with like a doll. She was relentlessly tormented with a vibrator or dildo, brought to climax multiple times. Yuka, who had her picture taken and was silenced, feigned calm in front of her husband, but continued to be repeatedly imprisoned and trained. Yuka's heart and body gradually came under control…
