Umibouzu Umibouzu

After saving the world from collapsing, the two Ace Detectives and their assistant, Kimihiko Kimizuka, are immediately thrust into the next crisis: the Tuner Hunt.…

Having learned the truth of the Akashic records, Kimihiko Kimizuka, the Ace Detective, and their companions reach the System, the final piece needed to restore…

Nagisa Natsunagi was enjoying her daily routine with her two best friends, finally living out her dream of being a normal high school girl—at least,…

All I wanted was to be a regular highschooler, and that wish is why I'm here right now. My name is Nagisa Natsunagi, and I'm…

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…

The second act is about to begin. The adventure of the detective and her assistant began ten thousand meters above the earth. They helped clients,…

Siesta and Kimihiko’s first meeting did not take place during that fateful plane hijacking but rather four years earlier, when the Federation Government tasked Siesta…

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…

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…

WHO WERE YOU TO HER? WHO WAS SHE TO YOU?​While on an outing one day, Kimihiko Kimizuka and his three friends are kidnapped by…Siesta herself?!…

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…