The Detective Is Already Dead, Vol. 1 (manga)

Description

The only surivor, me, and the detective's dying wish: their unfinishedstory.
I, an ordinary highschool student, Kimihiko Kimizuka,
I wasembroiled completely flawlessly into a plane hijacking,
Where I became theassistant to the angelically beautiful detective girl I met.
In three years,the great detective and her assistant unfolded a dazzlingadventure
dram--
Before long, we were seperated by death.
This takesplace a year after that.
The only survivor, me, and the detective's dyingwish--