Shinji Takeda

While combing through the belongings of his recently deceased aunt, Matsuko, nephew Sho pieces together the crucial events that sank Matsuko's life into a despairing tragedy.

Mecha-Mecha Iketeru! is a popular Japanese variety show, shown on Fuji TV. The hosts of the show are the owarai duo Ninety-Nine, and the show is usually attended by regulars Yoiko, Gokuraku Tombo, Oasiz, Shinji Takeda, Akiko Hinagata, and Sarina Suzuki. However, Gokuraku Tombo's Keiichi Yamamoto has not appeared on the show since being involved in a scandal in 2006. Egashira 2:50 also appears as a semi-regular guest. The show is also known as Mecha-Ike.

Without an official spy organisation, Japan is seen as a hotbed for crime by foreign and domestic criminal groups. K13 is a unit established within the Tokyo Metropolitan Police Department to combat this situation. The activities of K13 are known only to a few people and its members do not exist on record. Led by the top agent code named Mirage, K13 members target not only brutal crimes but are also given secret missions to handle crimes which cannot be solved politically and socially. Meanwhile, there are people who intend to set up a police organisation like the FBI in the US and strengthen the Japanese police by enacting a bill to expand its powers. Before long, the K13 gets embroiled too and a huge conspiracy is revealed.

In the immense city of Tokyo, the darkness of the afterlife lurks some of its inhabitants who are desperately trying to escape the sadness and isolation of the modern world.