Noriko has the feeling somebody’s watching her. She thinks it’s a Yasha (a demon) that she might have angered. But who is the person who is really watching her? And what has happened to her parents?

From MangaHelpers:
In this world, there are those who look like humans but are actually beings with supernatural power. In order to respond to crimes committed by these kinds of people, an organization that employs some of their number has been established. Kurohimeyama Eve is a member of this organization, and she is also a teenage girl that has "Oni" powers. One day, she goes to meet a new member, Ichizuka Senya, who is a boy with dangerous shadow powers and a bad personality. In front of the other girls in the organization, though, he seems to act perfectly nice. What's even worse, he's transferred into her private religious school! Kurohimeyama's once-peaceful life will never be the same.

Six months ago, Karukozaka High School was sucked into the demon world, and in the ensuing chaos, only two survivors emerged: Nobu, who defeated the Demon Lord that took over the school, and Yumi, who possesses latent demon powers of her own. Although they're both trying to put the incident behind them, the gateway to the Underworld remains open, and soon Nobu finds himself battling demons right on the streets of Tokyo. The reason for this infestation is simple: a secret organization is trying to establish a Demon Kingdom on Earth by summoning demons through the gateway. Nobu and Yumi are the only people to have been to the Underworld and survived, so they may have the power to stop the infestation but before that can even happen, they'll have to find each other first.

Hagiri Town is a lonely country town. People have sometimes avoided getting into that topic because of the unusual nature of 56 people missing in the past 30 years. Meanwhile, a male teacher, Gunji has been assigned to a high school in the town. Wherein he is responsible as class deputy and also to take over the floral arrangements club. As head of that club he receives a poisonous red flower from an old man who donates flowers to the school, but…this was the beginning of a nightmare that would change everything!

Seven former fellow middle school students are forced to participate in a “death game” by an eerie ‘rabbit’. They have never met after graduating but now they must complete 6 death games within one hour to escape their entrapment! A game of despair begins as their dark past is revealed and their fragile relationships are put to the test!

After the release of The Great Demon, it seem that the big part of the Hell is now on the Earth, among the humans. Rheed, The Antichrist, is gonna protect her human who summoned her and the rest of world by solving paranormal cases. She will be helped by her amazing squad and the Dubai`s Investigator Xavier Ferjid. All her actions, all her choices and all her pain will be taken in the name of the universal love. She will save everyone. And you? Do you need any help?

"Romance and so on, it's impossible to predict". The childhood friend of the main character loves him. What will happen when she confesses her feelings to him? Will the main character be able to see his childhood friend as something more than a friend? The "I can't see her as a romantic interest" trope is taken to the maximum level in this one-shot, while focusing on a surreal type of comedy.

A story based off of the "Shuuen no Shiori Project", a song series by 150P and Suzumu. The stories are based off of Japanese children's games and urban legends such as one-man hide and seek, doppelgangers, mearry's phone and monkey paw.

On the normal, unchanging campus, it suddenly occurred; A murder case where a body was cut open, right into two.
On the other side of the unsolved case, the rumor-loving high school students became involved in a certain ritual.
From the extremely popular songs on Nico Nico Douga, begins the Project.

What is the “Bookmark of Demise”…?
Who is the traitor…?
What will the conclusion to this story be…?

So, can you solve this mystery?

A story about Sadako traveling with a young girl in a world where humanity is destroyed.

Wandering female assassin of supernatural origin confronts men's hatred for all things different in a cruel world of dark fantasy genre.
Note: The manga continued in form of Doujinshi.

From Kodansha:
Humanity has learned to live in complacency behind its high walls, protected from the giant Titans. But when a Titan-worshipping cult opens one of the gates, a Titan wreaks havoc, consuming the cultists.
After the rampage is over, two young Survey Corps members are shocked to discover a pregnant woman's partially digested corpse - with her baby still alive inside it! What will the fate of this "Child of the Titans" be and how will humanity learn to cope with the Titan threat?

"Kii-kun will never learn!!" The childhood friend Tsubaki has a little secret she's been keeping. But stray too close and she'll say back, "it's fine, it's fine... I'll be fine..." A story of pure, disgusting love mixed with psycho-horror romance!

Plagued by visions of a psychopath after a slaughter in a busy street in downtown Ikebukuro, Madoka must question her own sanity as to whether what she is seeing is actually happening.

Manga version of the novella The Metamorphosis by Franz Kafka.

A loved one is dead. What would you do if someone told you they could bring that person back... in exchange for the lives of three other people? Would you be selfish enough to sacrifice three for the sake of one? And there's always the actual circumstances behind the death to be taken into account...

A collection of stories featuring different takes on the theme.

Yashima Kashiwagi is a freshman who has transferred to the elite Kusushu Gakuen High School. He quickly became friends with Hasebe Yuki living next door and Kimi Miyazaki. He tries to adapt to his new environment and being friendly with everyone but apparently the class has some “rules” that everyone must obey otherwise there will be consequences! What does this mean though? A reason for bullying or something more sinister is happening?

A guy finds himself transported into the world of a classic horror movie. And what's more, as the 'slutty character' who dies first!?

A long time ago, the Earth was ruled by demons. The demons constantly fought each other for survival, but soon found themselves fighting a new race of beings: The first humans. The demons then became imprisoned in ice after a great cataclysm. They would remain there until the ice melted, after which it was said Satan would rise and lead them in Armageddon. That time has come.
Akira Fudo, who has become the Devilman, the only being who can fight demons; a being possessing the powers of a demon and a soul of a man.

A young woman contemplates life in a world where the dead walk.