is Akane's biological father, fathering her with a Sadako clone named Masako Maruyama. At the end of the novel, Akane marries Takanori, allowing her to publicize her pregnancy to everyone. In the film adaptations of S, Sadako 3D and Sadako 3D 2, Akane is portrayed by Satomi Ishihara. Unlike in the novel, Akane is protagonist of Sadako 3D and her connection with Ryuji is not present. Instead, Akane possesses special psychic power that makes her becoming targeted by Sadako to be her vessel. Her surname is also changed to Jotaro Nagao is a doctor responsible for tossing Sadako down the well in the novels. The last smallpox patient in Japan, he was institutionalized at the same sanatorium where Sadako's father, Heihachiro Ikuma, was treated in. During one fateful day, Nagao wandered from his facility and encountered Sadako. He then raped her, passing on the smallpox virus to her, before discovering that she had Testicular Feminization Syndrome. According to Nagao, a voice inside him persuaded him to throw Sadako down the well, where the smallpox virus interacted with her psychic powers to form a new virus. Years later, Kazuyuki and Ryuji visit Jotaro, now operating a clinic in Atami, and confront him to divulge the truth about Sadako. The experience traumatizes him, forcing him to close the clinic so his daughter can take care of him. He is played by Kei Yamamoto in the television series and Tomorowo Taguchi in Ring: Kanzenban. His role in the Japanese films is merged with Heihachiro Ikuma, who is made Sadako's adopted father. Tomoko Oishi and Masami Kurahashi is Kazuyuki's teenage niece, the only daughter of his wife, Shizuka's sister Yoshimi Oishi. She is one of the first four victims of the cursed tape, which she watched a week before the events of Ring. The similarity of her case with a male college student who died at the same time, as well as another couple, leads Kazuyuki to begin investigating the ring virus. In the films, Tomoko and are the pair of girls seen at the start of Ring, discussing rumors of the cursed tape which turn out to be true. When Tomoko is killed by Sadako, Masami witnesses the death and goes mad, ending up in hospital. In Ring 2, Mai encounters Masami in hospital and she is used by Doctor Kawajiri in his first attempt to destroy Sadako's powers but is killed in