Nihon Koso Retto — Sangokushi 2

Having discovered the yakuza connection between the Kirin University's President Ninomiya to the Kadomatsu Family yakuza group, Bunji (Motomiya Yasukaze) and his friends have become targets for silencing, spearheaded by Ninomiya's ambitious and ruthless illegitimate son Kimijima (Inari Takuo). Bunji, while lauded for his history of being a vicious fighter, has explicitly chosen to avoid entering the yakuza with Tora (Sakaki Hideo) or "grey area" business with the Odagiri brothers (Yabe Kyosuke and Minami Keisuke) for the sake of his wife. However, constant stalking, beatings, and endangerment of his family and friends pushes Bunji to the edge to finally dealing with Ninomiya and Kimijima by whatever means necessary ...