The Viper Brothers Rage Again (1971) 
aka Mamushi no kyôdai: Orei mairi
Genre: Action | Comedy | Crime | Drama
Country: Japan | Director: Michio Honda
Language: Japanese | Subtitles: English (Optional, embedded in Mkv file)
Aspect ratio: Cinemascope 2.35:1 | Length: 89mn
HDTVrip H264 Mkv – 1920×804 – 23.976fps – 3.23gb
https://www.imdb.com/title/tt0323174

When a yakuza boss is murdered by a rival gang, A yakuza prisoner (Hiroshi Kubo) requests that his prison buddy Masa (Bunta Sugawara) seeks vengeance as Masa is about to get out of prison and reunite with his blood brother Katsu (Tamio Kawachi).

The Viper Brothers Rage Again (1971)