B: The Beginning

Sakaido is a genius detective who can track down any criminal. But when his daughter is murdered, revenge lands him on the other side of the law. Now in prison, he helps the police solve mysteries using a system that invades a person’s identity. Little by little, a trail of blood forms, and it all leads back to his daughter’s murderer.

Shido's a midnight detective, half human and half vampire with no real memory of his past, who specializes in solving supernatural murders.Joined by Yayoi Matsunaga, a female government agent, Riho Yamazaki, an orphaned teenage girl working as his secretary and Guni, a little green imp, Shido must face demonic creatures known as Nightbreed.

Humanity has found a way to achieve infinite energy by using coils to draw it from the fourth plane: dimension "W". With the production of coils having been monopolized by the New Tesla energy company, freelance collectors are hired to find and remove any illegal, unofficial coils. This is the story of collector Kyōma, who also happens to have a huge hatred towards coils. During one of his missions he stumbles upon a female android that perceives herself as being human, leading the two to enter an unlikely partnership.

When a series of animal bodies that rot away after a single night begin appearing in a remote mountain village, Inugami, a detective from Tokyo who specializes in the occult, is called to investigate. While working the case, he befriends a strange boy who works in the field every day instead of going to school. Shunned by his peers and nicknamed “Dorotabo” after a yokai that lives in the mud, he helps Inugami uncover the truth behind the killings — but supernatural forces are at work, and while Dorotabo is just a nickname, it might not be the only thing about the boy that isn’t human.

Musashino, Tokyo. An elementary schooler repeatedly attacks people in the streets. Known only to the public as "Lil Slugger", none of the victims can recall the young boy's face and only three distinct details are left in their memories: golden inline skates, a baseball cap, and the weapon: a bent golden baseball bat. Detectives Ikari and Maniwa set out to track down the perpetrator and put an end to his crimes.

Stalked by a beastly white tiger, Atsushi Nakajima has no idea that the menace lives inside him—a power that catches the attention of the Armed Detective Agency. Using inhuman abilities to combat crime, this team takes Atsushi under the wing of their most eccentric member, Dazai. Together, they tear through mafia-muddled mysteries while enemies keep an eye on the tiger’s lofty bounty.

A supernatural system allows people to take revenge by having other people sent to Hell via the services of a mysterious entity and her assistants who implement this system. Revenge, injustice, hatred, and the nature of human emotions are common themes throughout the series.

Kindaichi Hajime may look dumb, but he is one of the smartest you will ever see. He encounters mysteries after mysteries with his good friend, Miyuki, and he swears to solve them in the name of his grandfather, which was a great detective.

Ten years ago, a mysterious spatial anomaly now known as "Heaven's Gate" appeared in South America, shortly followed by the opening of "Hell's Gate" in Tokyo altering the sky and wreaking havoc on the landscape. The real stars disappeared, replaced by false stars. During this time, people possessing various special abilities — called "Contractors" — emerged, each capable of different supernatural feats. Following the disastrous Heaven's War, the United States lost its dominant position as a superpower to a mysterious organization named the Syndicate. The story revolves around a Chinese contractor codenamed "Hei" as he undertakes various espionage and assassination missions in Tokyo.

In the year 2113, people are given brain scans to determine how likely they are to commit a crime. Those who fail are apprehended, or even killed.

In this world, creatures like vampires and werewolves still walk about, but Aya Rindo can’t say the same for herself. This beautiful disembodied head, carried by her maid Shizuku Hasei, is a detective in search of her stolen body. One evening, they meet half-human Oni Slayer Tsugaru Shunichi, who offers a lending hand. Now, the trio is traveling through Europe, solving mysteries along the way.

After Bon accidentally intervenes in a Time Patrol case, he must join Agent Ream in saving innocent lives from the past — while watching history unfold.