The Detective Is Already Dead

When the story begins without its hero ​Kimihiko Kimizuka has always been a magnet for trouble and intrigue. For as long as he can remember, he’s been stumbling across murder...

While on an outing one day, a woman who looks exactly like Kimitsuka Kimihiko’s dead mentor, Siesta, kidnaps the former detective’s assistant and his three friends! There, she reveals a...

The dead detective and her assistant come to life in this manga adaptation!I, Kimihiko Kimizuka, was an ordinary high school student. Sure, I had a penchant for getting dragged into...

I just knew it. When I, Kimihiko Kimizuka, agreed to help Nagisa Natsunagi find her heart donor, I should’ve realized I was being dragged into something troublesome. Actually, I had...

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...

What’s wrong with this story? After being kidnapped, Kimizuka, Natsunagi, Saikawa, and Charlie have learned the truth about Siesta’s death...or have they? A girl who looks just like the deceased...

Once the assistant to a great detective, Kimihiko Kimizuka took on a challenge Siesta bequeathed to him after her death and arrived at a conclusion that surpassed his wildest expectations....

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...

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...

Siesta and Kimihiko’s first meeting did not take place during that fateful plane jacking, but rather four years earlier. During that time, the federal government tasked Siesta with locating a...

Kimihiko’s adventure with the detective began a thousand meters in the air. They saved clients, solved cases, battled powerful enemies, and traveled the world-and all of it ended the day...

“Now we know what we’re up against…!” With a little help from Charlotte Arisaka Anderson and a surprise appearance by the late detective herself, I, Kimihiko Kimizuka, was able to...

“LET’S GO ON A JOURNEY TO UNLOCK THE WORLD’S SECRETS.” Kimihiko Kimizuka was once the assistant to two Ace Detectives, and after achieving a miracle, the sequel to the story...

With the world in peril once again, I, Kimihiko Kimizuka, returned to my role as the Ace Detective’s assistant and set out on a journey to recover the lost memories...

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...