Prequel to the first song in the Vocaloid series, “,” and follows the events between the schoolgirl detective who loves mystery novels, Hanamoto Hibari, and the extremely sadistic mystery novel writer, Kudou Renma.... more>>

As the high school is busy with preparations for the Culture Festival, a female student is found on the roof, collapsed and bleeding.
Written in blood is a single “X.” Is this an accident? Or a case? Hibari sets out to uncover the truth. <<less

Welcome to QED University, the exclusive school for aspiring detectives!

A virtual underground game that has no protection. Lurking with players who seek power, fortune and survival. Qin ran chose to enter this VRMMORPG game... more>> without hesitation because he knows this is his only way out from death. Can he escape death in real life or dying via the game? <<less

A compilation of 20 detective stories and 6 essays and miscellaneous writings by Japan's first female detective writer, Ookura Teruko.

My lady. I have prepared delicious black tea with cakes and outstanding mysteries.... more>>

What’s Hakoniwa Detective Agency?

It is a detective agency that handles extraordinary cases. It accepts cases that are related to the supernatural, urban legends, or rumors that people do not consult with common detective agencies. It also provides delicious black tea and desserts to our clients.

Koushirou Kujou
He is the butler of Hakoniwa Detective Agency, but is also a famous detective. He is not only erudite, but also insightful with eloquence. He is overprotective of Yui, but is very invective to Akira.

Yui Mikami
She appears to be a petite girl; however, she is able to see and be possessed by spirits. She is the master of Hakoniwa Detective Agency. She is fond of desserts.

Akira Satou
He is searching for “the phantom of that day” which stays by him at the time he was once distressed. He is a high schooler finally arriving at Hakoniwa Detective Agency. He has a positive way of thinking and is resilient. <<less

Someone that always hides it’s identity... more>>

Someone that had many enemies

Someone that will always appeare everytime there is a case that is difficult for other detectives to solve

Someone that can always easily solve that kind of case

A

The nickname for that person.

Afrea Tiffany H

Is there a case that was difficult to her? <<less

"I am not an ordinary detective, but a NEET detective. Searching the whole world to locate the words of the dead."... more>>

The NEET Detective leading the NEETs who gathered in the dark alley - Alice said that.

The perplexing incident that Ayaka and I were wound into during the winter of my first year at high school, and also the malicious drug 'Angel Fix' that corroded the city, the mystery was unraveled by the detective girl Alice who doesn't take even one step out of her room.

"Knowing the truth might destroy the tranquil life of your past, do you wish to know even so?"

Because of my answer, the NEETs who usually do nothing were mobilized to solve the case! <<less

A mysterious letter of invitation, triggering the mystery of birth.... more>>

A well-known detective agency, the occurrence of countless mysteries.

Solve cases, look for clues to the mysterious organization.

Calm reasoning, to uncover the truth behind the mystery.

All darkness, conspiracy, under his strict reasoning, will have no place to hide.

All truth will eventually come to light! <<less

In front of a cedar tree with an interesting history on the premises of a shrine, a stabbed corpse was discovered. Though a suspect was found immediately, his testimony does not match up with the victim’s fatal injuries. Is this the tree’s curse…? Looking for the truth, Detective Gotou returns once more to the scene, only to meet Saitou Yakumo there, a university student who can see the spirits of the dead. It seems like he visited the shrine for another matter. Ahead of these two cases that curiously overlap… Starting a new series in this popular spiritual mystery!... more>>

A series of Shinrei Tantei Yakumo side stories.

1. the tree of deceit
2. the coffin of prayer
3. the tower of judgement <<less

A face-less female ghost wearing a mini-skirt is known to roam around at night in this city. Kalin Nanase is the ghost of a celebrity... more>> who died an unnatural death. A detective named Saki Yumihara encounters the ghost of Kalin and is saved by a girl named Kotoko Iwanaga. Kotoko was kidnapped by ghosts when she was a little girl and has ever since served as a mediator between people and ghosts. Kotoko also happened to be dating Saki’s ex-boyfriend Kurou Sakuragawa. Kotoko and Saki work together to solve Kalin’s case. <<less

Middle school teacher Takagishi Akemi’s interest is piqued by a boy who stands alone in the classroom. With sad eyes, he stays away from the others. His name is Saitou Yakumo. There is a rumor that he can ‘see ghosts’ so his classmates alienate him. Akemi tries her best to understand this lonely boy, but… the imminent shadow of the terrible incident, the utmost tragedy that awaits – how does Yakumo react!? Yakumo’s surprising past as told by Isshin makes Haruka cry – revealing his past, which was shrouded in mystery, a novel about Yakumo’s shocking childhood.... more>>

A prequel to the Shinrei Tantei Yakumo series. <<less

One moonlit night, Detective Kusaka Daisuke of Tokyo's Metropolitan Police Investigation Department, 1st Division, managed to catch some criminals red-handed in the middle of an... more>> illegal drug deal. Struck by one of the perp's bullets, the detective sought refuge down one of the city's many back alley and stumbled upon a beautiful blond boy. The boy's eyes shone red, his skin unearthly pale like a porcelain doll. He called himself Luca, and against all logic, mysteriously aged into a young man before Kusaka's very eyes! What will become of this chance encounter? Find out in this modern-day fantasy set in the bustling streets of Tokyo. <<less

A light novel adaptation of Bungo Stray Dogs manga, written by Kafka Asagiri and illustrated by Sango Harukawa, that focus on the past of Dazai... more>> Osamu before he joins the Armed Detective Company. <<less

There are so many strange things in this world that make us wonder:... more>>

Why does the lone soul hanging in the cold classroom have a smile at the corner of its mouth? 　　 　　

Why does the half-broken corpse hidden in the cave of Ghost Valley feel unresigned? 　　 　　

How can a few puddles of flesh displayed on the lonely rocks of the beach have dreams? 　　 　　

We saw the caged beast in the villa floor forgetting that he was once a human being. 　　 　　

We see people in tattoo stores transforming into demons and ghosts and then painting themselves with human skin. 　　

We saw the couple walking down the aisle with their arms folded. 　　 　　

We can see the lonely people in the dark mine relying on each other’s warm and decadent bones……… In the end what turned an originally good people into a heartless mu*derer? 　　 　

　
Thirty cases, thirty stories, thirty times the most essential interplay between good and evil. 　　 　　

Let’s see how the reality of heaven becomes the heart of hell, how the angel of mercy becomes the cruel devil …… <<less

In this story, Leila Cassilia, a detective, despises Arcangelo Urseau. However, when Arcangelo is poisoned, Leila is the only one who can save him by having s*x with him. From this moment on, Leila's life becomes intertwined with Arcangelo's as she must continue to have contact with him until the antidote is developed. While Leila struggles to find a cure for Arcangelo, the chief investigator assigns her to monitor him since he is suspected of creating the poison.... more>>

As Leila spends more time with Arcangelo, she begins to see him in a different light and questions her initial hatred of him. However, Arcangelo makes it clear that he is using Leila for his own purposes, and Leila must decide whether to trust him or not. She must navigate her complicated feelings for Arcangelo while trying to solve the case of the poison and its creator. Will Leila be able to resolve the case and figure out Arcangelo's true intentions?

This story is a gripping tale of love, trust, and betrayal. It explores the complex relationship between two individuals who are forced together by circumstance but are ultimately driven apart by their differences. As Leila and Arcangelo work together to uncover the truth behind the poison, they discover that their fates are intertwined, and they must choose whether to fight against each other or work together to overcome their challenges. <<less

"The mu*derer died before killing anybody! You've got to uncover the truth!"... more>>

"The robber not only took money from the bank but my accomplice too!"

"I've kidnapped a rich man's son but I can only ask for 30 grand?! What lousy deal is this?!"

"Who on earth meddled with my airbag?! I nearly died in that car accident!"

"Only a swindler would know the secret behind this transaction, so you'd better call the police now!"

"This is my last gig as a mu*derer, so pleeeaaase don't screw up!"

It's the most unfortunate of criminals vs the most egomaniacal police inspector in the history of mankind - this comedy of errors just keeps replaying itself. <<less

Larry died in real life and reincarnated as a fox who was cultivating for immortality. He could only reincarnate again as a human being if he could find the real mu*derer who killed him. “But…ah! Why should I be reborn as a fox fairy!!!”... more>>

“You…don’t come close to me! Leave me alone!” Larry the fox was shivering when he saw a man in white uniform came close to him.

The vet called Frost grabbed Larry up and… “Ackawooooooo!!!!!” It seemed as if Larry’s bark could be heard all over the whole street.

Frost was somewhat confused. “What does the fox say?”

Larry was actually saying:

“Damn you! Let me go! By no means should I be neutered!!!”

“I don’t want to be a little fox! I want to be the Kurama with nine tails!” <<less

S Vol. 1... more>>

Shiba is a detective in the fifth anti-organized crime division of the Tokyo Metropolitan Police, a.k.a. “Anti-Gang 5” specializing in handgun seizures. Shiba’s secret weapon is “S” (“spy”), an informant who plays a key role in Shiba’s information gathering. Shiba is training an informant who has been officially accepted into Shinjuku’s Matsukura Group within the Budoha crime syndicate. One day, Shiba awakes to an anonymous phone call. “Watch out for your S.” A tale of two men whose lust, pride and loneliness collide!

S Vol. 2: A Love Bite

Detective Masaki Shiiba's informant or "S," Keigo Munechika, has proven himself to be an excellent source of information. But the payment of s*x for every lead given is taking its toll on Shiiba. But with his new assignment as back-up to a fellow undercover detective, Shiiba learns that there are far worse things than having s*x with your male S--falling helplessly in love with him, for example. S volume 2 continues the drama and passion between a detective and his spy set in the highly-charged underground world of Tokyo.

S Vol. 3: Split

For almost a year now, Shiiba has been using Keigo Munechika as his “S,” his spy, to get information on the gun dealings of the Yakuza world. Shiiba uses his body in exchange for Munechika's sensitive information… and only his body as far as Shiiba is concerned. Shiiba vows their relationship will not go beyond that. But when a rowdy young man with a penchant for piercing and an enigmatic Yakuza leader cross paths with the young detective, sins of the past are unearthed once more-sins that just might shatter the fragile bond between the detective and his “S.”

S Vol. 4: Afterglow

At the end of S volume 3, detective Masaki Shiiba was last seen running away from the hospital room of his injured S, Keigo Munechika. Now, Shiiba has turned in his resignation, bought a gun of his own, and is bent on only one mission--to kill Takanari Godou. He vows to get the truth from Godou, even if he has to throw away his morals and life to do it. But can he do it? Can he shoot another person and commit cold-blooded mu*der for revenge? <<less

A University student, Shouma Hanashima, unexpectedly came to be able to see strange apparitions. As this new obstacle shows up and Shouma becomes unable to attend lectures and work at his part-time job, he visits a suspicious detective agency with an inscription on its front, which says ‘Mysterious phenomenons? I will help you with anything’.... more>>

The head of the office is Tendou, a good looking man with a somewhat dubious impression.

Shouma gets an offer from Tendou, who explains that the true identity of these strange phenomenons are called the ‘kaii’ and that he could make a protection charm for Shouma, along with an invitation from the man to work and assist him.

It seems Tendou wants to find and put back the yokai into a book they accidentally escaped from, which he calls ‘The Collected Records’.

Together with Tendou and his collected yokai, Shouma gets dragged into strange incidents. <<less

To avoid being pursued by the detective Shan Qingyun, the playboy Chu Yizhen had to pretend to be a hooligan and street punk. When the... more>> detective was provoked, life wouldn’t be easy for Chu, who was a real Prince. Now Chu finally understood: he shouldn’t have hit on Shan Qingyun in the beginning! He regreted it but it seemed to be too late. <<less

Serial no. 01AE86. Full name: Shi Shanyan. Height: 189cm. Weight: 82kg. Passed the Black Panther test and joined the Special Forces in 2160. Expelled from the unit and detained at the Guangtong Prison in 2162. Described in the Special Forces’ mission appraisal as having poor self-control, lacking empathy, and possessing a strong tendency to dominate. Broke the rules repeatedly during missions. Danger level has been specially set as S-Rank.... more>>

Serial no. 7-001. Full name: Yan Junxun. Height: 175cm. Weight: 62kg. Passed the Black Panther test and joined the Special Forces in 2163. Expelled from the unit in 2164. Described in the Special Forces’ mission appraisal as having poor overall capability with the inability to adapt to dangerous missions and a lack of destructive power.”

“In accordance with the ’Mites’ agreement, both of you will work together on the serial mu*der cases at the Tingbo District”.

Shi Shanyan deleted the information and re-entered it.

“Warning. Serial no. 7-001 is super—fierce.” <<less

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... more>> 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? <<less