Manga like Junkyouju: Takatsuki Akira no Suisatsu

Housekishou Richard-shi no Nazo Kantei

Also known as The Case Files of Jeweler Richard.

Status: Releasing
Genres: Drama , Mystery , Slice of Life

When Japanese college student Seigi Nakata rescues a handsome young jewelry appraiser from a group of drunken assailants, he gets more than he bargains for! The appraiser is Richard Ranashinha de Vulpian, a brilliant and mysterious British jewelry expert. Seigi hires Richard to appraise a ring left to Seigi by his grandmother…and the adventures are just beginning. Together, they unlock the secret messages hidden in the hearts of jewels—and those who possess them.



Tags: Josei , Educational , LGBTQ+ Themes , Urban , Bisexual , Male Protagonist , Work , Primarily Adult Cast , Coming of Age , College , Asexual

Mystery to Iunakare

Also known as Don't Call it Mystery.

Status: Releasing
Genres: Drama , Mystery

Totonou is a young man who stands out—partly for his bushy hair, partly for his finely honed abilities of observation and deduction. When Totonou is accused of murder, he puts his skills to work delving into the lives of the cops investigating him and uses his insights to find the real murderer. After clearing his name, all Totonou wants to do is return to his laidback, mundane life, but he can’t help but be drawn into one mystery after another. In his own blunt but gentle way, Totonou is just trying to make sense of a chaotic world.



Tags: Crime , Philosophy , Detective , Josei , Male Protagonist , Episodic , Tragedy , Primarily Adult Cast , College , Fugitive , Revenge , Suicide , Dissociative Identities

Kamonohashi Ron no Kindan Suiri

Also known as Ron Kamonohashi: Deranged Detective.

Status: Finished
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

Usotoki Rhetoric

Also known as Usotoki Rhetoric.

Status: Finished
Genres: Drama , Mystery , Supernatural , Thriller

Sixteen-year-old Kanoko Urabe knows that someone is lying if she can hear the strange, echoing sound of clanging metal in their voice. As a young and overly honest child, she would point out the lies of other villagers, and was ostracized as a result. She is eventually forced to leave her hometown and tries to find a place for herself in the city of Tsukumoya in 1920s Japan.

In a chance encounter, Kanoko meets Souma Iwai, a gifted but penniless detective. After she is forced to demonstrate her ability, he expresses appreciation for what she can do and agrees to take her in, asking the girl to be his assistant. The Iwai investigation firm soon makes a name for itself helping clients by solving cases with Souma's sharp wits and Kanoko's power. In the process, Kanoko's life is enriched by the various people she encounters in her investigations.

Tags: Shoujo , Historical , Detective , Female Protagonist , Work , Super Power , Crime , Found Family , Episodic , Heterosexual , Police , Rehabilitation , Ojou-sama , Bullying , Trains , Food , Twins , Travel , Ships , LGBTQ+ Themes

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 , Male Protagonist , Foreign , Conspiracy , Detective , Primarily Adult Cast , Classic Literature , Politics , Gore , Suicide , Orphan , Primarily Male Cast , Class Struggle , Gender Bending , LGBTQ+ Themes , Found Family , Shounen , Transgender , Bisexual , Crossdressing , Urban

Dark Gathering

Also known as Dark Gathering.

Status: Releasing
Genres: Adventure , Horror , Supernatural

Keitaro is ready to stop living as a shut-in. He’s starting university. He’s reconnecting with his childhood friend. He’s taking a tutoring job. And he’s not messing around with ghosts anymore. At least that’s what he thinks, until he finds out the elementary schooler he’s tutoring is an occult-obsessed genius who’s hunting down dangerous spirits and won’t stop until she’s found the one that took her mom!



Note: Nominated for the Tsugimanga 2020 Award in the Manga Category.

Tags: Ghost , Shounen , Revenge , Necromancy , Exorcism , Gods , Urban Fantasy , Gore , Female Protagonist , Body Horror , Yandere , Male Protagonist , Suicide , Rehabilitation , Cannibalism

Gifted

Status: Releasing
Genres: Drama , Mystery

One day, Amakusa Natsuki—the hope of the Tokyo Metropolitan Police Department—meets an unusual high schooler named Shiki Yuuya. Natsuki's interest in the high schooler is piqued after Yuuya happens to be passing through the scene of a difficult murder case and determines the perpetrator with ease. How did he know who the killer was? When an incident later takes place at Yuuya's high school, the two happen across each other again... Thus, a young policeman and a high schooler with a hidden power begin unraveling the mystery!

Tags: Detective , Male Protagonist , Shoujo , School

Hokuhokusei ni Kumo to Ike

Also known as Go with the Clouds, North-by-Northwest.

Status: Releasing
Genres: Adventure , Mystery , Slice of Life

The story takes place in Iceland, at land’s end, 64°N.

Kei Miyama is a 17-year-old with three secrets: he can talk to cars, he can’t handle pretty girls, and he works as a private investigator. One case has him searching for a beloved dog, another involves reuniting a woman with a man she fell for at first sight. And then comes a case that strikes close to home—searching for his own little brother. Tag along as this globe-spanning journey unfolds…



Notes:
-Nominated for the 12th Manga Taisho Award in 2019.
-Includes five extra chapters.
-While originally serialized until chapter 60 and a subsequent "Kiyoshi File" chapter on December 20th, 2024, Aki Irie then announced an end to serialization as well as further work with Aokishi. The series switched to volume-only releases beginning in April of 2026 including any chapters after 55.

Tags: Detective , Outdoor Activities , Seinen , Foreign , Urban Fantasy , Iyashikei , Male Protagonist , Travel , Super Power , Gore , Nudity , Tsundere , LGBTQ+ Themes , Suicide , Educational

Sankaku Mado no Sotogawa wa Yoru

Also known as The Night Beyond the Tricornered Window.

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

Shy bookstore clerk Kosuke Mikado has the ability to see ghosts and spirits, an ability he wishes he didn't have, since what he sees usually terrifies him. Rihito Hiyakawa, an exorcist whose supernatural powers are as strong as his social graces are weak, doesn't seem to fear anything, mortal or otherwise. When this odd couple gets together to solve the bizarre cases that come their way, their work methods may not be entirely safe for work!



Note: Includes 10 extra chapters.

Tags: Ghost , Male Protagonist , Primarily Adult Cast , Curses , Necromancy , Orphan , Cult , Detective , LGBTQ+ Themes , Exorcism , Boys' Love , Yakuza , Body Horror

Black Sheep

Status: Releasing
Genres: Action , Drama

To all the black sheep, resist your fate.

Shizunaga Rei, the son of a powerful yakuza boss, lives as a regular high school student. But one day, his father is attacked by hostile forces, and Rei is suddenly appointed as the acting leader. Unexplainable events begin to unfold around Rei, and alongside his secretary, Ouga Masumi, Rei witnesses the reality of the organization’s society—?!



Tags: Shoujo , Boys' Love , Yakuza