Shinobi – Heart Under Blade or Kouga Ninpouchou Basilisk – The Live-Action is a 2005 Japanese ninjutsu romance film directed by Ten Shimoyama and written by Kenya Hirata. The story is an adaptation of the novel, The Kouga Ninja Scrolls by Futaro Yamada, which depicts the clash between two ninja clans, Iga and Kouga, and the fated love between Gennosuke (Koga) and Oboro (Iga).
The theme song of this movie was the number one hit, HEAVEN, by Ayumi Hamasaki. This movie won both best actor and best new actress awards at both the Kinema Junpo Awards and Yokohama Film Festival in 2006 according to the Internet Movie Database.
On February 6, 2007, Funimation Entertainment released the film in the United States. The contents of the DVD is a 2-Disc Set with the main movie available in Japanese and a new dub from Funimation themselves. The 2nd Disc contains Special Features and making-ofs. All of the films are subtitled in English.
Also a manga and an anime called Basilisk are based on the same novel, and bear the same character names as in the novel and the movie. Although their characters in the film are highly altered from both the original novel and the manga/anime series.