* Based on the seinen science fiction manga series by Iwahara Yuuji, serialised in Monthly Comic Beam.A mysterious virus, named Medusa, is spreading around the world, turning its victims into stone. Given the impossibility of finding an immediate cure, a corporation offers to cryo-preserve a select group of patients until they come up with a solution.Kasumi, one of the chosen ones, wakes up after being asleep for an unknown period of time and her awakening, not a bed of roses, is a bed of thorns, and happens in the midst of total chaos where monstrous creatures lie in wait all around.Note: Premiered in the Anima`t section of the 42nd annual Sitges International Film Festival, which was held on October 1-12, 2009 in Catalonia, Spain.
- Other Title: Ibara no Ou, Ibara no Oh, いばらの王, King of Thorn, El Rey Espino: King of Thron, Le Roi des Ronces
- Status: Completed
- Sub/Dub: Anime Dub
- Anime Type: Movie
- Genres: Action, Mystery, Sci-Fi, Thriller, Suspense, Survival, Super Power, Seinen, Martial Arts, Horror, Adventure, Fantasy, Animation, Science Fiction
- Characters: Ishiki, Kasumi, Owen, Marco
- Score: 6.9
- Rank: 4486
- Popularity: 2320