The March issue of Kadokawa 's Comic Alive then listed an anime of the light novel " The Detective Is Already Dead ".
Synopsis
The story follows the life of Kimihiko Kimitsuka, a young man who four years ago became the assistant of a mysterious detective known as "Siesta" during a plane hijacking. Together, Kimihiko and Siesta embarked on mind-blowing adventures and explored the world while battling a secret organization, but it all ended when Siesta died.
The light novel adaptation of The Detective Is Already Dead was released in 2009.