Hoichiro Ohma works in an office. Everybody knows him as a silent, humble man. Even his girlfriend, Nanase, doesn't suspect that he could be something more, but he is. When a person dies as a victim of murder; when someone kills himself with a curse on his lips; when someone's death needs to be judged, he is there, for he is a Judge Of Darkness. Following the Laws Of Darkness, with a book made of human skin and an unusual parrot, he pronounces judgement over living criminals that would otherwise go free. (Source: Anime News Network)

In the year 20XX, Grand Kabuki Town is ruled by the Chinese mafia. People come to this town, one of the largest entertainment districts in Asia, to revel in pleasure and entertainment. It has become a lawless area where the police and government are afraid to enter. Ichiyo, on a special mission from the National Police Agency, comes to this town to take on mafia boss Kyuryu and his henchmen to protect the peace of Japan and to avenge his family. This is the beginning of Ichiyo’s assassination operation!

Osawa Chieri is a new tour guide at Prince Tours. Right now, she is only an apprentice. To become a real tour guide, she must accompany and assist an established tour guide on more than 3 tours overseas. The tour guide she will be shadowing is Hinata Jirou. Chieri's first tour as Jirou's apprentice is in Hawaii, but...

Behind a moving staircase in an old Tokyo book shop lies the secret room of the City Jackers. This elite band of Tokyo detectives, backed by the powerful Oudou group, includes three remarkable kids. There's Jacky, a bishounen with a tongue like a chameleon, the pretty, but money-loving Maureen, and the fat Popeye, who loves writing haikus. The three of them work together to solve mysteries assigned to them by "Queen", a girl who contacts them via a video screen.