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Riyu DVD


  • Title: 理由
  • Title (romaji): Riyu
  • Also known as: The Reason
  • Format: Tanpatsu
  • Genre: Mystery
  • Viewership rating: 6.9 (NTV)
  • Broadcast network: WOWOW, NTV
  • Broadcast period: 2004-Apr-29 (WOWOW), 2005-Nov-8 (NTV)
  • Related show: Drama Complex (NTV)


Four people are discovered brutally murdered in an up-scale high-rise apartment. All the victims appear to be family, but as the investigation deepens it is discovered that one of the victims isn't related to the family.


Production Credits


  • The original novel won author Miyabe Miyuki, the Naoki Prize in 1999.
  • The drama special was also shown in theaters.

External Links

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