Ryo's an Instructor at a Women's School? To Protect a Sweet Young Lady
Ryo is requested to protect the daughter of a dead tycoon who claims that Ryo had saved her from kidnappers once before. As Ryo tries to find out who is trying to kill her, her stepmother comes up as a very likely suspect, but is being controlled by someone else.
Aired 13/07/1987EP 15 - Ryo's an Instructor at a Women's School? To Protect a Sweet Young Lady

1987
City Hunter
Ryo Saeba works the streets of Tokyo as the City Hunter. He's a "sweeper" and with his sidekick Kaori Makimura, he keeps the city clean. People hire the City Hunter to solve their dangerous problems, which he does with a Colt Python. When Ryo's not working on a case, he's working on getting the ladies, and Kaori must keep him in check with her trusty 10 kg hammer.
(Source: Anime News Network)