The Detective Is Already Dead, Vol. 1

"You will be my assistant."
During a plane hijacking four years ago,Kimitsuka Kimihiko wound up becoming the
assistant to a beautiful detectivenamed Siesta. The pair traveled the world, solving
crimes and battlingcriminal organizations. Until Siesta died, anyway. Kimitsuka
thought thatwould spell the end of his adventures and a return to ordinary life, but
anencounter with a girl who bears an uncanny resemblance to Siesta suggeststhat
fate has other plans.