- Country: Japan
- Genres: Horror, Sci-Fi
- Release: 2014-07-05
- Director: Daisuke Kobayashi
- Writers: Kenji Kuroda , Kozuru , Noprops
- Language: Japanese
- Stars: Anna Iriyama , Kenta Suga , Shô Jinnai , Seiya Motoki , Seika Furuhata , Riku Ozeki
- Runtime: 70 min
- Awards: 2 nominations
- AKA: Ao oni , Blue Demon , 青鬼 (Japan) , Blue Demon (United Kingdom) , Blue Demon (Japan) , Blue Demon (United States of America)
- Plot:
Shun is a transfer student who can’t seem to adjust to his new class and falls into mild depression. However, one day he meets some fellow students by chance in front of a creepy Western-style mansion called the “Jailhouse” which is rumored to be home to a hideous blue monster. Soon, the group of six students, led by Shun and Anna, become trapped inside and desperately attempt to escape before the monster finds them.
- IMDB:tt3686278