The Detective Is Already Dead, Vol. 6 (manga)

We uncovered the mystery of Siesta’s death, but that doesn’t mean an end to the excitement! This time Saikawa’s asking me, Kimihiko Kimizuka, to be her idol producer—all while Bat and Seed have formed an unholy alliance in the wings. It seems our story’s not quite over yet...What revelations will the finale have in store?!