1 Season
13 Episode
Spiral - Season 1 Episode 1 Fear That Exceeds Sadako's Revenge Ring
- Country : Japan
- Genre : Mystery, Drama
- Director : Kōji Suzuki
- Cast : Goro Kishitani, Takami Yoshimoto, Seiichi Tanabe, Yuka Nomura, Akiko Yada, Tae Kimura