2021年のベストミステリーマンガ

Best friends Yoshiki and Hikaru have been stuck together like glue for most of their lives. Living in a small village and being the only children their age, the two boys find solace in each other's company. Their friendship seems picturesque at first glance, but Yoshiki has noticed a shift in Hikaru's demeanor ever since one fateful summer. The "Hikaru" that sits beside him now is nothing like his friend. Despite his physical appearance and memories remaining exactly the same, Yoshiki knows something is amiss and that the Hikaru he once knew is gone. When he brings this up, Hikaru partially transforms into an otherworldly being, threatening to kill Yoshiki if he cannot accept it—while also professing its love for him. Wracked with grief and unable to let go of his best friend, Yoshiki struggles to move on with his life as he finds himself getting closer to the new Hikaru. At the same time, strange occurrences begin to plague their village, bringing unsettling chaos.

A routine call regarding a burglary at an empty mansion leads cocky young police detective Jin Saeki to a gruesome and shocking discovery. The corpses of 13 children, along with the presence of a strange symbol, spur a manhunt for Juzo Haikawa, the mysterious absentee owner of the house. So begins an investigation (and an obsession) that will take Jin all over Japan and into the darkest recesses of both the past and the human soul.

During the 1930s, a period of rampant shifts is reshaping Japan's societal structure. Mitsuko Hoshino is a prime example of such change, being the first female detective to ever exist in the country. Despite receiving back-handed compliments on a daily basis regarding her gender and profession, Mitsuko would not change her job for anything in the world and strives to be the best at the Ginza Detective Bureau. At a cafe, Mitsuko meets a handsome young waiter named Saku Yoshida, who requests help to find the owner of a shoe he found. After handling the case, Mitsuko is shocked to find out that Saku has not only been cast off by his wealthy family, but the college student is also now employed by the bureau to be Mitsuko's assistant! While their relationship slowly blossoms, the duo is tasked with solving mysteries side by side in these ever-changing times.

In a city which should be familiar, there is the feeling of something a little different. Odokawa is a taxi driver who lives an ordinary life, taxing some quirky customers around. A slightly eccentric stranger who has no relatives nor any relations with other people, Odokawa's hobby is to listen to Rakugo on the radio before going to bed. For the time being, the only people he can consider as friends are his family doctor Gouriki, and his high school classmate Kakihana. Kabasawa, a college student who wants a buzz, Shirakawa, a nurse who's hiding something, comedian group Homo Sapiens, who isn't selling well, the city hoodlum Dobu, and the rookie idol group Mystery Kiss—the conversations with these people, which should not have meant much, lead to a girl who disappeared.

After nine college students are trapped under a collapsed building for 14 days, only six come out alive, and only four of them can speak. The dead bodies of their fellow students are viciously mangled, leading police to investigate the case as a possible homicide. Detective Lieutenants Jeongdo Kwon and Yeongchae Shin, together with renowned neuropsychiatrist Dr. Yeongwha Ju, must parse through witness testimony and inconclusive physical evidence to uncover the truth. But how do you solve a locked-room murder case when every witness is a suspect?

In an alternate 2023, the Your Forma, a miraculous “smart thread” technology initially developed to treat a massive outbreak of viral encephalitis, has become an integral part of daily life. But these convenient devices come with an invasive drawback—they record every sight, sound, and even emotion their users experience. For electronic investigator Echika Hieda, diving into peoples’ memories via the Your Forma and hunting for evidence to solve the toughest crimes is all part of a day’s work. The problem is, she’s so good at what she does that her assistants literally fry their brains trying to keep up with her. After putting one too many aides in the hospital, the top brass finally furnish Echika with a partner on her level, a brilliant yet cheeky android named Harold Lucraft. Does this unlikely duo have what it takes to resolve their mutual suspicions and avert a deadly technological infection from sweeping across the globe before it’s too late?

Natsumi Eguchi took us to the afterlife with Hozuki’s Coolheadedness. Now, they take us somewhere even stranger: the land of the living. College students Magi and Yaeko’s lives take a strange turn the day a man is struck on the head by a falling dictionary from the sky. Bleeding, dazed, and refusing help from the police or paramedics, he sets off every alarm in their minds. But the real shock comes after. Ever since that chance encounter, the world around them has started to shift. Ghosts. Spirits. Unexplainable things. Whatever this man is, he’s opened their eyes to a realm that was never meant to be seen—and a story that was never meant to be told.

A young girl has her interest piqued by an enigmatic beauty whom she believes to be a witch.

Sakuya Otsuki is the son of a legendary detective, working to follow in his father's footsteps with his assistant, Lilithea. However, something's different about this high-school sleuth. Wherever he goes, he always manages to get himself entangled in his cases—as a murder victim! When Sakuya is tasked to infiltrate a luxury cruise ship, he finds himself killed once again. But every time he reopens his eyes, Lilithea is there by his side, ready to help him get to the bottom of the 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!

*Sequel to Ikigami.*

Klaus reveals he is married to a member of Lamplight, but the identity of the bride remains unknown. And so a battle ensues among the girls to determine who it is. Gain a peek into the girls’ daily lives in this collection of short stories!

I've always had a fascination with the occult; you might even call it my specialty. I've been brought in as a consultant on many supernatural and strange mysteries. But nothing could have prepared me for this house. It seemed so ordinary at first, except for that one room. It had no doors, no windows, and was tucked away, leaving anyone to think it was just a wall. I knew that there was something more to it. It shouldn't be there, it shouldn't exist, and yet... Just what is this house, and what dark secrets does it hold?

Leo, a god of death, has been sent to save human souls at a small hospice called Okanoue Hospital. For this mission, he’s been granted a special form: one with four legs, a tail, and a keen sense of smell. Thanks to his canine assets, Leo can seek out patients at the hospice who are plagued by a lifetime of regret. With his endearingly wet nose and friendly, furry appearance, Leo eases patients into their next life, seeing them off from the quiet hillside hospital without the burden of lingering remorse.

My role is to take care of her—and to deduce "her deduction." "I shall prove the truth that you have found." An assistant to the high school counseling teacher, Rinne Akegami is an introvert who only understands what is true. As if from a revelation from God, she can point out the culprit of any crime there. What complicated matters, however, is that not even she herself understands how she does this! This is where Touya Iroha comes in—he deduces "her deductions" in order to reveal the truth, once and for all!

Sayori Somei, a forensic scientist, has a "peculiar constitution" that allows her to "hear the corpse's voice" by talking to it. However, her daily life is disrupted by an "eerie corpse" brought in by Detective Takemoto.

Serial killers are people who continue to commit bizarre murders unavoidably, driven by abnormal psychological desires that already exist within them. It can be said that it is carrying the fate of killing people. The main character of this story, Erimine Sou, lost his mother when a serial killer suddenly broke into his house when he was a child. In order to understand the incomprehensible fear, the protagonist continues to face the fact by writing a "murderer novel", but one day he receives a letter.

The monster action manga follows the members of the Metropolitan Police Department's Special Crimes Countermeasures Public Safety Division's "S Section," which investigates crimes impossible to explain with science, and with links to mysterious creatures.

When the university town of Shiromitsugawa was struck by a large earthquake, the sacred treasure in the Hakuda Tsukumo Shrine was damaged and mysterious objects called ‘artifacts’ began to appear from a parallel world. These artifacts granted special abilities to those that possessed them. There was an incident where someone abused these powers and turned people into stone. Kakeru, who has a strong sense of responsibility, lent his assistance to Miyako in seeking the culprit.

There's a reason Emi Shimamoto can't find a job. For as long as she can remember, she's been unable to tell the living from the dead. Resigned to yet another failure, she attends an interview with Moriya Foods, only to find herself strangely attracted to its young president and more determined than ever to get the position. Meanwhile, Emi’s brother senses that there is more going on with his sister than meets the eye, and he pays a visit to a certain agency that specializes in matters of the supernatural...

When trying to solve tough missing-person cases, investigators ask for advice from Shirou Tomura, a specialist on the history of games. His creative and accurate deductions have helped him to get to the bottom of the matter. Busy with research and lectures, he receives many requests for cooperation from detectives....... Intellectual curiosity is the driving force! Watch out for the dangerous fieldwork of this eccentric gentleman!!

Someone's tattooing me in my sleep. On the night of his birthday, Xin, the sole heir of the powerful Zhou family, reunites with Lau, his clan guardian, and confides in him about the mysterious tattoo forming on his back. Lau begrudgingly sets off to investigate this strange phenomenon, but what secrets will he uncover along the way?

The story begins when a trainee doctor who was worried about his career meets a detective who has a medical license.

Venom, Darling Dance, Failure Girl, and other famous songs by the popular Vocaloid producer Kairiki Bear have been turned into "stories"! Loneliness is like poison, I have nothing, I'm a failure, I'm a failure, and so on... In a social networking site where girls vent their pain, she comes across a rumor of "Courtship Girl Syndrome," which only teenage girls are affected by. She thought it was just a myth, a disease with a cute name and symptoms like those of a manga character. However, the abnormalities that began to occur in the girl's body as a result of a certain problem are very similar to the rumors...? We are affected by the youth disease.

Violence, extortion, online mob attacks, forced compensated dating, even gang rape... The reality of “bullying” occurring in the so-called “battlefield” of schools is only growing more severe. Yet, no matter how serious the situation becomes, schools and education boards only sweep it under the rug.Teachers, parents, classmates: no one can be relied upon. A new hero has emerged to rescue children trapped in this abyss of despair: the “Bullying Detective”. Here stands a new hero confronting the disease eroding Japanese society!

Professor Mitani, a specialist of Japanese history, comes to Professor Takatsuki with a mysterious doll. After Mitani posts a photo of the doll on his blog, someone claiming to be the grandchild of the doll's original owner reaches out. According to them, the doll moves around on its own and has naturally growing hair. Takatsuki smells something fishy and pulls in the reluctant Naoya to begin investigating! What answers will the pair uncover...?