DETECTIVE IS ALREADY DEAD GN (2025)

The only survivor, me, and the detective's dying wish: their unfinished story. I, an ordinary high school 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 adventure dram- Before long, we were seperated by death. This takes place a year after that. The only survivor, me, and the detective's dying wish-

She wants him to find out who she's looking for...What an appropriate request for a girl who believes nothing is less reliable than subjective opinions. Ex-ace detective's assistant Kimihiko Kimizuka's initial lead on Nagisa Natsunagi's odd demand leads him to an old acquaintance-a convict named Bat with extraordinary hearing. As they reminisce about their initial encounter of when Bat hijacked a plane because he was desperately bored, Nagisa wonders if there's more to the story...

"Due to my penchant for getting dragged into things, I, Kimihiko Kimizuka, an ordinary high-school student, suddenly was asked to protect national idol Yui Saikawa's Three-billion-yen sapphire!? When there's a detective, there's always a case, and so, another case begins for me and Siesta's heart's recipient, Nagisa Natsunagi!"

This time, the stage is a luxury ship. Carrying the dying wish of the ace detective in their hearts, Kimizuka and his allies challenge a new enemy-Chameleon. While confronting the past, they stride towards the future.

Kimihiko Kimizuka has survived the battle with Seed, but not without heavy casualties. Natsunagi is dead, Charlie is in critical condition, and Yui has been taken captive. Kimihiko is lost in despair, but Siesta appears before him to pull him back into action. He can't give up yet. After all, this story needs a happy ending, and what's an assistant without a detective?

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?!