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

The only surivor, me, and the detective's dying wish: their unfinished story.I, an ordinary highschool student, Kimihiko Kimizuka,I was embroiled completely flawlessly into a plane hijacking,Where I became the assistant to the angelically beautiful detective girl I met.In three years, the great detective and her assistant unfolded a dazzling adventuredram--Before long, we were seperated by death.This takes place a year after that.The only survivor, me, and the detective's dying wish--