- Country: Japan
- Genres: Mystery
- Release: 2012-05-07
- Director: N/A
- Writers: Miyuki Miyabe
- Language: Japanese
- Stars: Chika Arakawa , Yumi Asô , Kyōko Enami , Kazue Fukiishi , Seiji Fukushi , Ai Hashimoto , Mokomichi Hayami , Mitsuru Hirata , Ryō Iwamatsu , Karina
- Runtime: min
- Awards: N/A
- AKA: Riyû (Japan)
- Plot: On a winter day, a young man's body is found on the grounds of a high-rise building. It appears he fell off a high rise floor. It is impossible to identify him. Detective Tatsuo Yoshida goes to the accident scene and investigates.
- IMDB:tt2338191
Riyû Cast
Chika Arakawa
Yumi Asô
Kyōko Enami
Kazue Fukiishi
Seiji Fukushi
Ai Hashimoto
Mokomichi Hayami
Mitsuru Hirata
Ryō Iwamatsu
Karina