Joker (Michihara Katsumi)

Rikudou Riin is an undercover cop whose assignment has led him to follow a mysterious and beautiful person who goes by the name of "Joker". He soon deems that Joker isn’t really a villain - but might be a spy, a detective, a mercenary, he/she might be a man or a woman or…both!?

In the Joker Series:

1) Teiou no Niwa

2) Moon Fantasy Part 1

3) Moon Fantasy Part 2

4) Dream Playing Game

5) Green Paradise

6) Sherlockian Computer

7) X no Utagoe (Kai no Utagoe)

8) Final Misson