Sadako vs. Kayako is a 2016 Japanese supernatural horror film directed by Kōji Shiraishi. It is a crossover of the Ju-on and Ring series. The film was first teased as an April Fools' joke on April 1, 2015, but was later confirmed on December 10 to be a real production. It was released in Japan on June 18, 2016, Indonesia on August 10, and in North America on the streaming site Shudder on January 26, 2017. It received mixed reviews from critics.
Theatrical release poster
Kōji Shiraishi is a Japanese film director, screenwriter, and occasional actor. He is primarily known for directing Japanese horror films, including Noroi: The Curse (2005), Carved: The Slit-Mouthed Woman (2007), Occult, Teketeke, Cult (2013), and Sadako vs. Kayako (2016).
Director Kōji Shiraishi at the Horror and Fantasy Film Festival, Donostia-San Sebastián, 2016