Taboo
御法度 (original)
Set during Japan's Shogun era, this film looks at life in a samurai compound where young warriors are trained in swordfighting. A number of interpersonal conflicts are brewing in the training room, all centering around a handsome young samurai named Sozaburo Kano. The school's stern master can choose to intervene, or to let Kano decide his own path.
Starring Takeshi Kitano, Ryuhei Matsuda, Tadanobu Asano, Yoichi Sai, Shinji Takeda, Susumu Terajima, Tomorowo Taguchi, Yoji Tanaka, Kei Satō, Jiro Sakagami
It's a drama and history movie, and has a rating of 6.8 out of 10 from Imdb which is usually fine for this kind of movie.
Watch it here
Not found streaming from United States.