Enrai
Enrai Japanese ? or Distant Thunder is a 1981 Japanese film directed by Kichitaro Negishi.
Enrai is based on the 1980 novel of the same name by Wahei Tatematsu. The film, financed by ATG, Nikkatsu, and the smaller Nikkatsurelated company New Century Producers, marked director Negishis breakthrough into mainstream film after several Roman porno features for Nikkatsu. Enrai was released in Japan as a VHS tape by Pioneer LDC LDC ? in July 1998 and subsequently as a DVD in February 2008 by Geneon Entertainment ? .
Source: Wikipedia