If you're looking for manga similar to Shinrei Tantei Yakumo (Light Novel), you might like these titles.
Fujisaki Touka receives a request to investigate a strange case. It is a bizarre case of human karma that can only be solved by someone with the power of the "kami-sama." With her human form, she has the unique ability to touch things in the ethereal world, which allows her to trace the path towards solving the case. Her companion is the young man Saku Fujisaki, who was supposed to protect her as a follower of the "kami-sama." This is the story of a girl caught between dream and reality, and the companion who watches over her.
Follows Kimihiko Kimitsuka, a young man who four years ago became the assistant of a mysterious detective known as "Siesta" on a hijacked airplane. Together, Kimihiko and Siesta went on mind-boggling, globe-trotting adventures while combatting a secret organization, but all of that came to an end when they were separated by Siesta's death. In the present day, Kimihiko tries to return to an ordinary, boring life as a high school student, but things are never that simple, even though the detective is already dead.
There is an urban legend that children tell one another about a shinigami that can release people from the pain they may be suffering. This "Angel of Death" has a name--Boogiepop. And the legends are true. Boogiepop is real.
Hired to locate a missing girl, Detective Max "Mutt" Mason discovers deeper malignant forces at work. Femme fatales soon give way to strange creatures older than humanity, all bent on remaking our world as their own. Mason wants answers, but the solution to this mystery may lie within hidden realms no man was meant to behold...
Kimihiko Kimizuka, a young man who four years ago became the assistant of a mysterious detective known as "Siesta" on a hijacked airplane. Together, Kimihiko and Siesta went on mind-boggling, globe-trotting adventures while combatting a secret organization, but all of that came to an end when they were separated by Siesta's death. In the present day, Kimihiko tries to return to an ordinary, boring life as a high school student, but things are never that simple, even though the detective is already dead.
Sun Xiaohu and Sun Xiaotu were twin brothers. Xiaohu died by accident in his college but nobody knew the cause of his death. It's strange that his younger brother Xiaotu could always see his soul. Later on, they opened a firm specializing in dealing with supernatural events. The story starts with a high school girl’s encounter of ghosts...
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 separated by death. This takes place a year after that. The only survivor, me, and the detective's dying wish—
Your Forma, a miraculous brain-threading technology that was developed to save thousands of lives from a massive outbreak of viral encephalitis, has become an integral part of everyday life. Begrudgingly partnered with Harold, of the “Amics” line of androids, officer Echika must use this invasive technology to hunt for clues and crack cases in a world where your every sight, sound, and emotion is being recorded.
Thirty years ago, Tokyo was destroyed in a massive earthquake known as The Great Fall. Today, the remains of the dead wasteland stand as the city of Kyuto, which is inhabited by few. In this city lives the head of the Hyuuga family, twelve-year-old Mayuki, who is able to understand the world around him with the help of extrasensory abilities. Along with Minori and the twins Kouta and Rakuta, Mayuki will solve the strange events taking place in the city; but who are the nefarious forces that are running the show?
The always-hungry Yako Katsuragi is a super famous high school-aged detective who cracks the hardest of cases with ease – at least, that’s what the general populace thinks! Behind the scenes, Yako is helped by Neuro – a maniacal being from the demon world who is looking for new mysteries to devour. Alongside local detectives and a helpful sidekick, Yako and Neuro will solve the unique and the bizarre cases that plague the city; but will Yako ever discover the truth behind her father’s supposed "suicide"?