Wolf Guy is a Japanese action-thriller film based on the manga series of the same name by Kazumasa Hirai and illustrated by Kazuo Kamimura. The film is directed by Kazuhiko Yamaguchi and stars Sonny Chiba as Akira Inugami, the titular Wolf Guy.
The story follows Inugami, who is the last survivor of a clan of werewolves known as the Honoo Clan. He is a private investigator who uses his supernatural powers to solve crimes in Tokyo. When a series of brutal murders begin to occur in the city, Inugami is called in to investigate. He soon discovers that the murders are linked to a cabaret singer named Miki, who was killed by an unknown assailant.
As Inugami delves deeper into the case, he uncovers a conspiracy involving corrupt politicians and the J-CIA, a secret agency that is trying to harvest his blood in order to gain his supernatural powers. Inugami must use all of his skills to protect himself from these threats and find out who is behind the murders.
Along the way, Inugami discovers the truth about his family heritage and learns that he may not be the last of his kind. He also develops a romantic relationship with a woman named Rie, who becomes his ally in the fight against the J-CIA.
The film is known for its over-the-top action sequences and its blend of horror, crime, and supernatural elements. It was released in Japan in 1975 and has since gained a cult following among fans of Japanese action cinema.