A spy mystery taking place at the beginning of the Showa era.

The setting is a rural city in which kidnapping and series of murders are happening simultaneously. 8 years ago, a boy and a girl were kidnapped and brutally tortured by the hands of their perpetrator. The victims, the compulsive liar "Mii-kun" (the narrator), and "Maa-chan" (Misono Mayu) reunite and start living together, despite the fact that the recently reported missing children were within Mayu's apartment...

A girl is bored of her unchanging peaceful life, and goes to a house that is considered haunted. She meets a boy there instead of ghosts.

Young scientists, Raul and Olivier De Laune, are researching the potential of genetic modification and cloning, set against the backdrop of the early 1930s. At a University talk on their research, Raul is accused by a clairvoyant, who tells him he can only clone someone successfully if their soul is transferred also. That night, Olivier is found murdered with no trace of injury or method of death. The clairvoyant tells Raul Olivier’s soul was ripped from his body by some non-human creature. She shows Raul a vision of Olivier, who tells him to find the ‘Blaise twins’. Soon after, larger than life, soul eating wolves begin to appear in the city, killing people by taking their souls. Raul is falsely accused of initiating the wolves and is forced to go on the run from the police. Now its up to Raul, his research assistant, a clairvoyant, two flunky private detectives and a retired chief of police to clear his name, find the Blaise twins, find the cause of the wolves, and most of all, put a stop to them.

What do two Japanese detectives, a naked man on a city street, and a roundworm from Botswana all have in common? In the first volume of Manhole, Ken Mizoguchi and Nao Inoue investigate a string of bloody and mysterious murders, but their work uncovers a deadly biological agent which poses a threat of epidemic proportions. An unlikely lead starts them in the pursuit of a mysterious self-titled photographer, but meanwhile the infections keep spreading. The series may be best described as the thrilling combination of a detective story with biological horror.

Kitajima from Reset has a guest role in volume 3.

In the fifth unit of the special police bureau lies a group of special individuals known as the “SAKURA”. Formed for the purpose of carrying out secret missions, they gave up their nationality, erased their past and concealed their real identities. There will be no salvation for the “SAKURA” who failed in his mission, except for their one and only “Messiah” – the only existence that can pull them back from the path of death…

As a child, Amasawa Rei had attended Shirohato Park Institution. After her parents were killed in a car accident, she lived at the institution and befriended a boy. She doesn't remember anything from the time she spent at the institution, not names, not faces, nothing, only that she and the boy shared a secret--a secret much darker than she thinks it is.

Now, as a new student at Shirohato Academy with her old classmates from the Park, she is assailed by fragmented memories of the past. What was the secret? Why does she feel driven to find that nameless boy? And most importantly, why doesn't Rei remember anything from her past?

He can open any door or lock and steal anything his customers want as long as they pay the fee, so people call him "Key Jack."

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A short story called Meiou Hades is included in v. 1: Amano Yuuichirou was hit by a car. When he next opened his eyes he found himself in a dark world full of monsters—and a young man with snow-white hair and jet-black eyes.

Sasafune Koyama is a young writer who decided to visit his grandparents for a change. When he was waiting for their return, he stumbled onto a weird wooden box filled with a manuscript titled Kakutei. It's actually the unfinished work of the ancient writer Chidori Yukimura who died from sickness at the early age of 29.
Kakutei is an inn hosted by Amanan, who lives on the life force of their guests, mainly people who get pulled into the world inside the manuscript after reading it. Unfortunately Sasafune is quite weak in body, so he won't be a very good 'food supplier.' That's why they decided to let Sasafune go as long as he brings another guest to the inn.

Includes Extra Story: "999 Banme no Hana"

Follows the game events from Nanami’s POV.

From Sound of Jewels:

Tsukushi bought a charm necklace online so she could have better luck with guys. When she started wearing it, it seemed to work out fine, but little by little the necklace started to turn black...

From MangaHelpers:
This is a continuation of the story of Psycho-Pass, which takes place in a future world where it is possible to completely detect a person's mental state. This technology is used by the Sibyl system to separate those who are judged to have the potential to commit crimes from the rest of society, and sometimes to execute them on the spot using a 'Dominator' gun. The detectives that hunt down criminals and potential criminals work in pairs of "Inspectors," who are respected citizens, and "Enforcers," who are expected to have insight into the minds of criminals. The story features Inspector Tsunemori Akane, who is now no longer a rookie detective, and introduces a new young Inspector named Shimotsuki Mika, who will join the fight against criminals and those judged to be potential criminals.

Find out more about the other characters from Mirai Nikki - Future Diary. These stories start out a few days prior to them receiving their own diary and give us some insight as to how they think and their personal reasons for using the diary they've been chosen to have. In the process learn a little more about Deus ex Macchina, the 'God' of Space and Time, and what his goal really is.

Oogimi Tsumugi is completely ignored at school because his parents are murderers and he has not talked to anyone in school for months. Then one day, a transfer student, Konohata Maya starts a conversation with him, but there's something eerie about her. She understands why Tsumugi is being ignored, but she seems to be even more interested after learning about his situation. What does Maya want with him and more importantly, what is she?

Masaka's just a kid working at a recycle shop... But is he really just a kid and is his job really at a recycle shop?

An anthology manga containing 8 short stories based around the theme "ZQN" (From "I Am a Hero") 

The world is a cruel and confusing place for Mayumi. At the age of thirteen she lost her parents in a car accident. Unable to deal with the overwhelming sadness, hatred, and anger, she only wished she could stop feeling altogether. Then, five years later, her sister becomes the first target of an incredibly bizarre incident. The victims in this incident lose a body part, without blood loss, after receiving a text message simply indicating the specific body part. The texts appear to come from Mayumi's sister's ex-boyfriend Kanno, but he claims to not be the culprit. Mayumi works with him to solve the case, but is he truly innocent? Or is the crime related in some convoluted way to the suicide of Kanno's fiance years ago? Or is it related to an unfinished AI program he was writing which may have broken free? And even if this incident is resolved, will Mayumi ever be able to truly heal emotionally amidst the pointless cruelty of the world?