Manga like Tantei wa mou, Shindeiru.

Yuukoku no Moriarty

Also known as Moriarty the Patriot.

Status: Releasing
Genres: Mystery , Psychological , Thriller

In the late 19th century, Great Britain rules over a quarter of the world. Nobles sit in their fancy homes in comfort and luxury, while the working class slaves away at their jobs. When young Albert James Moriarty’s upper-class family adopts two lower-class orphans, the cruelty the boys experience at his family’s hands cements Albert’s hatred of the nobility he was born into. He asks the older of the two boys—who has a genius mind and a killer instinct—to help him rid the world of evil, starting with Albert’s own family!



Tags: Historical , Anti-Hero , Crime , Foreign , Male Protagonist , Conspiracy , Detective , Primarily Adult Cast , Classic Literature , Politics , Gore , Suicide , Orphan , Primarily Male Cast , Class Struggle , Gender Bending , LGBTQ+ Themes , Found Family , Shounen , Transgender , Boys' Love , Bisexual , Crossdressing , Urban

Hyouka

Also known as Hyouka.

Status: Releasing
Genres: Mystery , Slice of Life

Oreki Houtarou is an "energy-saver" kind of guy, who expends as little energy as possible to do only things he has to. When he starts high school, his older sister sends him a letter asking him to join the Classics Club. The club meant a lot to her, and its number of members has been reduced to zero.
Houtarou reluctantly signs up for the club, only to find that someone else has joined, too! She's Chitanda Eru, a cute, big-eyed girl with an overwhelming sense of curiosity. A mystery crops up that catches Eru's interest, and also draws in Houtarou's friend, Fukube Satoshi. They continue solving mundane mysteries together, and soon they draw in Satoshi and Houtarou's friend, Ibara Mayaka, as well. Mayaka has had a blatant crush on Satoshi since middle school, but he always fends off her advances. Together, they search for the truth in a mystery that involves the history of the Classics Club.

Tags: School , Shounen , Classic Literature , Male Protagonist , Detective , School Club , Primarily Teen Cast , Otaku Culture

Bungou Stray Dogs

Also known as Bungo Stray Dogs.

Status: Releasing
Genres: Action , Drama , Mystery , Supernatural

Having been kicked out of the orphanage, a despairing young man by the name of Atsushi Nakajima rescues a strange man from a suicide attempt--Osamu Dazai. Turns out that Dazai is part of an armed-detective agency staffed by individuals whose supernatural powers take on a literary bent!



Tags: Urban Fantasy , Detective , Super Power , Mafia , Crime , Male Protagonist , Classic Literature , Fugitive , Seinen , Primarily Male Cast , Gods , Tragedy , Work , Ensemble Cast , Primarily Adult Cast , Orphan , Anti-Hero , Philosophy , Terrorism , Conspiracy , Gore , Assassins , Suicide , Vampire , Monster Boy , Police , Guns , Swordplay , Torture , Circus , Sadism , Time Manipulation , Tsundere , Shapeshifting , Found Family , Criminal Organization , Animals

Okitegami Kyouko no Bibouroku

Status: Finished
Genres: Mystery , Psychological

Twenty-five-year-old Kakushidate Yakusuke suffers from the fate of constantly stumbling into various crime scenes and ending up being the main suspect.

His last resort: Okitegami Kyouko the "Quickest Detective." However, Kyouko suffers from a strange case of amnesia; whenever she falls asleep, she forgets everything that happened the previous day, making her solve the mysteries within one day.

Note: Includes 4 extra chapters.

Tags: Detective , Amnesia , Primarily Adult Cast , Shounen

Seishun Buta Yarou wa Bunny Girl Senpai no Yume wo Minai

Also known as Rascal Does Not Dream of Bunny Girl Senpai.

Status: Finished
Genres: Comedy , Drama , Mystery , Psychological , Romance , Slice of Life , Supernatural

Bunny girls do not live in libraries. This is simply common sense. And yet, that's exactly where Sakuta runs into one in the wild. More bewildering is who the bunny girl is: Mai Sakurajima, an upperclassman and well-known actress currently taking a break from industry work. Wanting to find out more about the mystery surrounding Mai (and maybe get a little closer to her in the process), Sakuta launches an investigation to figure out what's making this bunny girl invisible to everyone around them.



Note: Chapter 17 and 18 of the magazine publication were merged into chapter 17 of the tankoubon release; chapter count reflects the tankoubon release.

Tags: Male Protagonist , Seinen , School , Tragedy

Bishounen Tanteidan

Also known as Pretty Boy Detective Club.

Status: Finished
Genres: Comedy , Mystery , Sci-Fi

The Pretty Boy Detective Club, a mysterious organisation that's rumoured to solve problems at Yubiwa Academy...

Manabu the Aesthete
Michiru the Epicure
Hyouta the Adonis
Nagahiro the Orator
Sousaku the Artiste

To search for a star she glimpsed 10 years ago, second-year student Mayumi Doujima calls on these five Pretty Boys to help her solve the case! Which Pretty Boy is your favorite!?



Tags: Detective , Shoujo , School

Kamonohashi Ron no Kindan Suiri

Also known as Ron Kamonohashi: Deranged Detective.

Status: Releasing
Genres: Drama , Mystery

This unusual duo brings the hidden truth into the light! Ron Kamonohashi, a private investigator with serious issues, and Totomaru Isshiki, a pure-hearted but dim police detective, team up to solve the most baffling mysteries! A thrilling detective story for a new generation from Akira Amano, creator of "Reborn!" and "Ēldlive"!



Tags: Detective , Police , Amnesia , Crime , Conspiracy , Male Protagonist , Primarily Male Cast , Primarily Adult Cast , Shounen , Super Power , Slapstick , School

Youkoso Jitsuryoku Shijou Shugi no Kyoushitsu e

Also known as Classroom of the Elite.

Status: Releasing
Genres: Drama , Mystery , Psychological

Koudo Ikusei Senior High School, a leading prestigious school with state-of-the-art facilities where nearly 100% of students go on to university or find employment. The students there have the freedom to wear any hairstyle and bring any personal effects they desire. Kōdo Ikusei is a paradise-like school, but the truth is that only the most superior of students receive favorable treatment.

The protagonist Kiyotaka Ayanokōji is a student of D-class, which is where the school dumps its “inferior” students in order to ridicule them. For a certain reason, Kiyotaka was careless on his entrance examination, and was put in D-class. After meeting Suzune Horikita and Kikyō Kushida, two other students in his class, Kiyotaka’s situation begins to change.

Tags: School , Anti-Hero , Battle Royale , Seinen , Boarding School

Shibou Yuugi de Meshi wo Kuu.

Status: Releasing
Genres: Action , Drama , Mystery

Yuuki wakes up to find herself wearing a maid's uniform in a strange manor. After wandering into the dining room, she comes across five other girls, each in the exact same outfit. Soon, the girls learn that the manor is brimming with lethal weapons and an array of deadly traps…and that they can only escape by playing the most gruesome of games. As the terrifying truth sets in, each girl's face goes pale—except Yuuki's. Why? Because this isn't her first go-round. That's right—Yuuki is a professional death game player who lives off the prize money she collects from winning brutal killing competitions, and she's not about to let this chance pass her by.



Tags: Shounen , Death Game , Primarily Female Cast

Toaru Meitantei to Joshu no Love Comedy Teki Nichijou

Status: Releasing
Genres: Comedy , Romance , Slice of Life

A slice-of-life romantic comedy between a certain famous detective and her assistant from "The Detective is Already Dead."

Tags: Full Color , Female Protagonist , Male Protagonist , Detective