[3] Additional footage with new actors was shot to extend the film's run time for international distribution.

Still more footage was shot for a Japanese theatrical release, termed the Final Edition.

[6] In 2016, he contacted Kazuyoshi Fohara, the grandson of Yoshiro Edamasa, and the project of creating a remake began.

In particular, a description of the project that was translated into English by producer Avery Guerra and published on Yahoo!

In addition a few overseas actors such as Philip Granger decided to appear, which further led to international knowledge of the project.