Mami Hashimoto

Emiri, a timid high school girl, is bullied mercilessly by her classmates, but when her friend, Asuka, stands up for her, Asuka becomes the target of the bullying instead. Emiri, not wanting to be bullied again, avoids Asuka. Worn down, Asuka attempts to commit suicide, but is saved by the school janitor and remains in a comatose state in the hospital.

In a small nook of Kawasaki Private investigator 591 and adultry specialist investigator 522 embark on separate investigations that leads them both to the same beautifician.

Taking place thirty years before the events of Ringu, Ringu 0 provides the shocking background story of how the girl on the video became a deadly, vengeful spirit.