If you're looking for manga similar to Aozameta Uma: Meitantei Eikubo Kamon no Suiri Techou, you might like these titles.
Centers on a host club in Shibuya called "club indigo." Unlike traditional host clubs, club indigo has hosts who are also dancers and DJs, and has more of a nightclub atmosphere, complete with an owner who was a former street tough himself. However, club indigo's employees also solve mysteries in their spare time all
The fast-growing IT company "SpriLinks" is hiring new graduates for the first time. The remaining six job-hunting students who have made it to the final selection are given a topic and tasked with forming a team and having a group discussion about it within one month. Shougo Hatano begins to deepen his connections with the other five applicants so that all six can receive a job offer, but just before the final interview, they're notified that the task has been changed. The new task is to "choose one potential employee out of the six of you." Suddenly, the six former comrades become rivals who are at each other's throats trying get a hold of the lone position. And then, in the middle of the debate on which the job offer is at stake, they discover six sealed envelopes. When each of them opens the envelope with their name on it, they find a accusation letter inside with the words "**** is a murderer" written on it. What lies have these six told, and what crimes have they committed? And what is the "killer's" goal...?
The story centers around a first-year university student Uni who is from the countryside. At a circle in university, he meets a 25-year-old senior student called "Shishou" (Master), who is a deep occult fanatic. Guided by Shishou and his circle friends, Uni investigate various urban legends and paranormal phenomena.
The story centers on Kiyoshi Mitarai, a genius detective famous for having solved the Umezawa Incident. The series follows Mitarai and his assistant, Kazumi Ishioka, as they solve a wide array of mind-boggling mysteries.
In the winter of 1927-28, the isolated coastal settlement of Innsmouth, Massachusetts was assaulted by U.S. government agents—its waterfront burned and dynamited, its people taken away to internment camps. Yet that was neither the beginning nor the end of the horror uncovered by a young antiquarian who traveled to Innsmouth in search of rumors from the town's dead past, only to find them still very much alive...and find truths lying under water deeper and colder than any earthly grave!