Jiro Miyaguchi

With most of his family already dead at Ogami Itto's hands, Retsudo launches one final plot to destroy him, and when that fails, unleashes the fury of every remaining member of the Yagyu clan.

His bloodline damned by a witch, Waldemar Daninsky heads to Japan to seek a cure for his werewolf curse.

Elite college graduates commit perfect financial crimes though loopholes in the law during the 1950s.

Sawaki is released from prison after serving eight years for murdering a rival gang leader in order to obtain the land rights to a landfill for the Kotaki clan and he discovers that the world has changed significantly in that time. The police have forced the disbanding of all yakuza groups in and around Tokyo and most of the former yakuza have moved on to legitimate jobs. Sawaki is disgusted that his yakuza brothers have abandoned their codes of honor and are abusing their newfound power in the legitimate business world to exploit the poor. Sawaki feels partly responsible for making them so powerful and enabling their corruption, so he decides to follow his traditional code of honor to save the residents of a small town where his former lover lives.

The wandering swordsman, Ino Heihachiro, defeats Ichima, the youngest of the famed swordsmanship trio, the Nikis, but sustains an injury. In the mountains of Tohoku, he is aided by a young boy named Shosuke. Heihachiro finds refuge in the home of the boy's parents, Magoichi and Shino, only to discover that Magoichi was a skilled ninja from Koga. The peaceful days with the family are short-lived as Ichima, bent on revenge, along with his brothers Kurodo and Ryuma, pursue Heihachiro. Heihachiro and Magoichi head towards the duel's location, but the village headman, Seibei, blinded by the allure of gold dust in the mountains, abducts Shino...

Two pharmaceutical companies in Tokyo and Osaka engage in a fierce battle of wits over the sale of aphrodisiacs. Shigeru Amachi and Yumiko Nogawa, special sales agents known as "propers," operate in the shadows.

Takeshi Hongo is a promising young man with a passion for motorcycle racing. However, his dreams are suddenly ruined when he gets kidnapped by Shocker, the evil secret organization planning to dominate the world. After being remodeled into a cyborg, Takeshi escapes and swears to protect the world from the inhuman monsters.

The Sorcerers Clan, led by the centuries-old Org Ninja Dokusai, has made its move to retrieve the treasured map of Pako that has been in possession by the Yamaji family for generations. Tetsuzan Yamaji, the 34th grandmaster of the Togakure Ryu Ninpo, entrust his son and daughter, Toha and Mei, to protect the Pako from the forces of the Sorcerers Clan. By donning the Jiraiya Suit inherited from his father, Toha becomes Jiraya, Master of the Togakure School, who must face against the evil Sorcerers Clan, as well as numerous ninjas from different parts of the world.

A shikakenin was an under-the-cover trade that undertook killing in Edo. Hanemon of Otowa, an agency that introduced laborers and maids, was also one of these. Katsugoro Iseya was a timber dealer who had come in as a client. His target was the constructions magistrate Hanno, and the Tatsumiya who sipped on the benefits. Hanemon who had a stong code towards killing, where he would only kill those who do no good to be in the world, accepts this request. Baian Fujieda, a needle doctor would carry out the killing. However, the professional killer Baian fails to bring down Tatsumiya. Hanemon then looks to another shikakenin, the ronin Sanai Nishimura for the role. Although Sanai's ability with the sword is good, he lives poorly in a tenement, and accepts this commission on the condition that it is kept a secret from his wife and child. Here, they close in on Hanno and Tatsumiya again...

Key Hunter is a prime-time Japanese television detective series. It aired on Saturday nights in the 9:00–9:56 p.m. time slot on the Tokyo Broadcasting System network from April 6, 1968 to April 7, 1973. There were a total of 262 episodes, and it was one of the most popular action dramas in Japan at the time. The story involved "Key Hunter", a special clandestine unit of the International Police, which endeavored to solve various crimes. "Key Hunter" was a unique TV show, which started out as a grand scale spy thriller never before seen in Japan. The episodes were individually themed on global crimes and political strife. The initial hardboiled theme later evolved to include intellectual elements involving action, and occasionally with comical elements as well. Tetsuro Tamba starred in the 1967 film You Only Live Twice as Japanese Secret Service agent Tiger Tanaka, an ally of James Bond. This role greatly influenced his image in "Key Hunter".