Shin Otokogi
Japanese title: 新・男樹
Type: OVA
Source: Manga
Episodes: 2
Status: Finished Airing
Aired: May 16, 1998 to Sep 4, 1998
Duration: 40 min per ep
Rating: R+ - Mild Nudity
Themes: Organized Crime
Demographics: Seinen

The sequel to the trilogy Otokogi which follows the steps of Kyosuke Murata's only son, and the gang that he have made which gets into conflict with the local Yakuza which Kyosuke is at the head of. Eventually his son lands in prison, and things take a different turn. 

(Source: marowak51)