Manga with Mystery genre:

Arpeggio of Blue Steel

Suddenly, a fleet of ships with mysterious super-weapons called the "Fleet of Fog" appeared all around the world. Humanity didn't have the technology to fight such a fleet, so they were driven out of the sea… Seventeen years after the battle, for some reason, Gunzou Chihaya and his crewmates aboard the I-401 and the personification (Mental Model) of the I-401, Iona, started fighting the Fleet of Fog…

Chapter 170

6 months ago
Sci-Fi Action Romance Comedy Mecha Adventure Drama Mystery Tragedy
Keishichou Majuu Taisakushitsu – Oukami Keiji to Mezame no Kenja

The story is set in Japan, 700 years after the age of swords and magic, where science has replaced magic. Social problems caused by magic and magical beasts are on the rise, and the Metropolitan Police Department establishes the Metropolitan Police Department's Magical Beast Control Division to deal with them. Kamishima Jingo, a werewolf (lycanthrope), is investigating a horrific case as a detective in the Magical Beast Control Division. Meanwhile, the great elven sage Sajuel, who had been asleep for 700 years in preparation for the return of the Demon King, wakes up. However, the Demon King was resurrected and defeated 40 years ago. Sajuel is shocked to learn this, but he lends his wisdom to the Magical Beast Control Division and begins investigating with Kamishima and the others. A fantasy of magic and police unfolds.

4.0 (58)

Chapter 5

6 months ago
Crime Fantasy Mystery
Korogaru Hoshi No Asuterizumu

In a Japan laid to waste by a meteorite strike, two survivors, Habane and Saku, travel the desolate landscape in a lone 4x4. They have a single goal: to journey south to a place where they can finally see the Southern Cross in the night sky. But their path is far from easy, as every person they encounter on the road is more eccentric, unpredictable, and dangerous than the last... (Source: Comic Days, translated)

3.7 (25)

Chapter 3

6 months ago
Adventure Slice of Life Mystery
Kimi no Tamenara Nando demo

Yugo, who is deeply in love with the heroine, Shiina, has witnessed her death countless times. His abnormal love for her has given him the power of a magical gun to transcend space and time. However, every reset comes at a cruel cost: causing her memories to fade one by one. Even so, his burning flame of love never fades. To save Shiina from her untimely demise, and until Yugo can reach the one irrefutable "proof of love"—a kiss—he won't stop pulling the trigger.

4.1 (688)

Chapter 18.5

6 months ago
Romance Drama Fantasy Mystery Tragedy
NOMADS

A time when humanity left Earth and migrated to other planets in the galaxy. Mads, a Martian whose life is threatened by the mafia, and Vigne, a Venusian who is the galaxy's greatest diva, are two unrelated people who meet due to a mysterious "orb" that fell from space. They are unaware that it is a sign of a major event that will shake the solar system. This is the beginning of a thrilling and entertaining sci-fi manga with a last-century view of the universe!

4.0 (31)

Chapter 2.5

6 months ago
Sci-Fi Adventure Drama Mystery
Dark Hunter - Houkago no Futari

Keinoshin and Shotaro are students who spend their after school hours as Dark Hunters. Darkness and light both exist in the world, and it is their job to protect the balance between them. Kei and Sho used to be close friends when they were little, but now they are only reluctant partners. At school, they're seen as opposites--the cool and aloof Sho and the cute and friendly Kei. However, they must work together if they want to stop the forces of darkness. Their first case of the manga involves the mysterious vanishing of many cats and dogs in the area, and a second involves a little boy who can see the 'ghost' of an old homeless man he had befriended. (from mangaupdates)

2.7 (6)

Chapter 7

6 months ago
Drama Mystery
Fatale Game

A story about the relationship between Tainaka Seri, a mid-career manga artist who has only had one successful work, and her new editor Futami Sumire. When her editor, who has been with her for 10 years since her debut, decides to transfer, Seri is introduced to her new editor Sumire. Sumire says she is a fan of Seri's, and while Seri is surprised by her unique way of closing the distance, she is somehow fascinated by her... (Source: Natalie, translated)

4.2 (271)

Chapter 6

7 months ago
Romance Girls Love Drama Slice of Life Mystery
Yu-Gi-Oh! Go Rush!!

4.3 (12)

Chapter 14

7 months ago
Action Comedy Adventure Mystery
Meido Daigaku Genzou Seminar

Human beings have formed societies and created various civilizations on Earth. At the same time, there have always been strange, unknowable entities that have slipped through the cracks, avoided the light of civilization, and festered in the shadows—gathering stagnation and decay. Though born from human emotions and will, these entities were never understood, never named, and even now continue to lurk and squirm in the darkness of modern society. They are information-based lifeforms. Humanity calls them “phantoms.” The most terrifying urban legend seminar—now in session!

3.8 (23)

Chapter 2.4

7 months ago
Psychological Drama Horror Mystery
Mamono no Mori no Shojo Nova

Nova, a spirited young girl who was raised by monsters in the forest, has one big wish—she wants to use the earth's blessing known as "Magia." However, it seems there is a secret about Nova that only Cerberus, the leader of the forest, knows... Unaware of this hidden truth, Nova continues to run happily and innocently through the forest today.

4.2 (130)

Chapter 7

7 months ago
Fantasy Slice of Life Mystery
Kage

Select one-shots from the early Gekiga magazine "Kage". The ebookjapan release serves as a sort of "Kage: Best Selection" from the many famous faces who appeared in it. For further information on Kage, please read Yoshihiro Tatsumi's "A Drifting Life".

Chapter 6

7 months ago
Thriller Psychological Crime Drama Mystery
Soshite, Mina ni natta

In broad daylight, a horrific mass murder occurs, claiming the life of Mina, a high school student. Miraculously, she survives through a heart transplant. As Mina begins to settle back into a semblance of normalcy, she becomes alarmed by an overwhelming surge of murderous intent that she's never experienced before. Unbeknownst to her, the heart she received belonged to Misako Shimizu, the very perpetrator of the mass murder. Mina's parents watch in confusion and fear as their beloved daughter starts transforming into a person they can no longer recognize. The murderous urge only grows stronger and seems unstoppable. Witness the beginning of an unprecedented family suspense drama! (Source: Bookwalker)

3.0 (26)

Chapter 4

7 months ago
Thriller Psychological Crime Drama Horror Mystery Tragedy
Onikirimaru

There was once an oni mother who gave birth to a human-looking child. Instead of an oni's horn, this child was born with a sword in hand called the "Onigirimaru" or Oni Slayer. He has no name and is only referred to by the name of his sword. Though he appears human, he is pure oni. Believing that he will become human once all of his kind vanished from the world of humans, he sets out on his destiny to slay all of his kind. Even now, in the mother world of Japan, he is still out there slaying oni.

3.8 (39)

Chapter 110

7 months ago
Monsters Demons Ghosts Survival Gore School Life Supernatural Thriller Action Psychological Adventure Drama Horror Slice of Life Mystery Tragedy
Hone To Kawa To Ga Hanareru Oto

That day, a beautiful young man visited the detective agency, troubled by strange, mysterious noises of unknown origin. Detective Sakagami, driven by ulterior motives, offers an overnight investigation, but time passes by without any clues. Yet, something feels off…

4.1 (37)
Psychological Romance Boys Love Horror Mystery Tragedy
Humanoid Monster Bem

The "Bokura" version, the phantom comic, has finally been made into a paperback version of the famous "Yokai Ningen Bem" horror anime. A complete collection of all 9 episodes of a serialized magazine that reveals the "secrets of birth" of Bem, Bella, and Bello, which were not introduced in the anime version.

3.6 (5)

Chapter 9

7 months ago
Supernatural Psychological Adventure Drama Horror Mystery
Oddspin

They are twins. Suddenly, the sisters find themselves drawn to a con artist who pretends to be the owner of a piece of land and swindles people out of their money. The two sisters, "Ei" and "Hotaru," who are genetically identical but have slightly different personalities, somehow get things moving when they get involved. A new twist in the crime suspense genre is born.

4.4 (4)

Chapter 3

7 months ago
Thriller Crime Drama Mystery
Koppa Mai Chiru - Sono Koro ni

Maebara Kei Gets a Job! In the 13th year of the Heisei era, in the Tokyo Metropolitan Area, Coastal Region. Due to the prolonged economic recession, the police force has weakened, and the growing number of disillusioned youth turning to loosely organized criminal gangs has led to a drastic decline in public peace... Amidst all this, Maebara Kei begins working at the ward office. Can he become a respectable public servant...? (Source: Young Champion)

3.3 (77)

Chapter 10.2

7 months ago
Mystery
Shugo Chara! Jewel Joker

The cool and spicy Amu Hinamori has graduated from Seiyo Academy's elementary school and is finally a junior high school student! She thought she would have carefree days with her precious friends in junior high... until she is asked to take on a mission related to guardian characters and has to transfer to a new school...!

4.5 (111)

Chapter 13

7 months ago
Romance Comedy Magical Girls Drama Fantasy Mystery
Housekishou no Maid

The jewelry store Rohstein is an unconventional shop where "a maid sells jewels". Off of the main street, the shop is visited by an elderly gentleman, a noble, an actress, a poor student, and all sorts of people who have heard the rumors of it. When they hold the jewels selected by the maid, their own lives also begin to shine.

4.4 (272)

Chapter 28.5

7 months ago
Philosophical Slice of Life Mystery
Lulus Hell House

A notorious property with a hidden past is now in the hands of Dan, a sharp and talented real estate agent. The place? A manor that once belonged to the affluent Midnight family—whose bloodline vanished over a century ago. (Source: Square Enix, translated)

4.3 (75)

Chapter 7

7 months ago
Horror Mystery
The Nocturnal Reading Room

A collection of **early** works by Not Osada that makes fresh blood jump like rose petals!!! Inspired by Tokyo Grand Guignol plays such as Litchi Hikari Club. This is the preferred adaptation of the cast. **Some** stories have homoerotic themes. Works: TLH-25 ***[トルハイト―25]*** Eien Shōjo ***[永遠少女]*** Paradise Snow ***[パラダイス・スノー]*** Kyōsō Byōin ***[狂想病院]*** Das Blut - Ketsueki - ***[ダス・ブルート―血液―]*** Yume no Object ***[憧憬(ゆめ)のオブジェ]*** Hiiro no Koro ***[緋色の頃]*** Jinta☆Jinta ***[ジンタ☆ジンタ]***

3.3 (4)

Chapter 1

7 months ago
Thriller Psychological Crime Horror Mystery Tragedy
Byakuda no Hanamuko

A white snake who is a divine messenger and a childhood friend with a mystery. Entangled obsessions in a Japanese-style fantasy. Tsubaki, a high school student with a predisposition for bad luck, has a one-sided love for his childhood friend Sakuya, who is both beautiful and talented. Then, one day while leaving school they are randomly attacked on the street. In the ancient capital Kyoto, a lovestory defying fate unfolds.

4.3 (727)

Chapter 14

7 months ago
Psychological Romance Mystery
Kimi no Kiss Ga Naiteiru

Haruto, a second year high school student, has two secrets. The first is that anyone he kisses loses consciousness and their memories of the preceding five hours. The second is darker and more bloody, and binds him - like the friendship bracelet he wears - to first-year student Umi, although she cannot remember why. Secrets, like memories, can come to haunt you... Debut serialisation by Minato Ayase.

3.7 (10)

Chapter 3

7 months ago
Sci-Fi Psychological Drama Mystery
Shikabane Kaigo

"Is this person already dead...? Behind the door, lying in bed, is a grotesque figure... Akane Kuritani, a new caregiver, arrives at a secluded Western-style mansion deep in the mountains to provide live-in care for Kiwako Miyazono, the bedridden owner. Hoping for a fresh start, Akane is shocked to find Kiwako emanating a putrid smell, with discolored skin and a burlap sack over her face, looking nothing less than a 'corpse.' The nature of the care she must provide is clearly abnormal... Based on a Kadokawa Horror Bunko novel, a terrifying nursing care horror tale begins.

4.3 (125)

Chapter 10

7 months ago
Thriller Psychological Horror Mystery