She is a pretty detective with the Tokyo police, who often uses the City Hunter team to do her job for her. She keeps promising to pay back Ryo with "mokkori" (sex), but always manages to get out of it. Despite her deceptive tendencies, she and Ryo have a considerable history together, and was in a love triangle with Ryo and Hideyuki Makimura.
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: ANN)
