Although he's tall and athletically gifted, Oga Masamichi is a boy best known for being a huge scaredy-cat. And recently, there's something that's got him even more on edge than usual... And that's him being haunted by what he's sure is the ghost of a girl who committed suicide at the school long ago, and still stalks its halls!

But, the truth is, the girl that Oga has been swearing up and down is a ghost that's out to get him is actually Sayama Umeko, a sweet and pure girl who is totally in love with him.

On her 12th birthday, Angele is infected with the strange and fatal disease that causes feathers to sprout from the body. She is sent to a solitary institution to be quarantined where she meets a man named Hakana and the wheels of fate begin to turn. (Source: Mangaupdates)
Based on the free game from Niconico.
Play the game in Japanese: https://game.nicovideo.jp/atsumaru/games/gm4581
Watch a playthrough with everything narrated: https://www.youtube.com/watch?v=wFmcgB3bikM

“I don't want it to end…” Akira had made up his mind to confess his feelings to Himeno, the girl he liked, on the day they graduated elementary school. But what was waiting for him in the classroom was Himeno like he had never seen her before! Before they knew it, Akira and his classmates were trapped inside the school, unable to escape. Who was doing this, and why? Mysterious forces close in on the 11 fearful children, as if to laugh at them. This is the story of a harsh fate that awaits them. Does a hopeful future await them, or an ending filled with despair...?

The World consist of the upper, the middle, and lower classes.

Those who are wealthy live in the Town.
Those who are poor live in the Fields.
Those below, in the thick and gloomy Forest....

In the Fields, Takaoku Restaurant's show girl, Kiyoko, supports her mother by managing the food preparation. One day, a regular patron named Tanaka, who recruits day laborers for the underground, requests that they bring meals to an assassin from the Forest called "Yorukumo," or "Night Spider."

Yorukumo was born in the Forest as a disposable child, raised to be void of emotions, unable to feel pain, and without knowledge of reading and writing. With Tanaka's instructions, he easily handles assassin jobs daily. When Kiyoko and Yorukumo meet, the World begins to come apart a little at a time.

You can't leave this island until you've killed 100 people. The most deadly survival game begins on a solitary island where desires swirl and only the strongest survive!

An adolescent ghost story that invites college student's "desire". Drinking parties, looking for clubs, romance... Chigarashi Mahina, a freshman who is busy with her flowery college life, is haunted one night by ghosts after entering an abandoned building. Nights after nights, she had nightmares of her getting raped. She then seeks help from a specialist on campus, Makube Kaoru. That was the beginning of a college life filled with desire and fear...

Countless tombstones stand in rows throughout a small community, forming a bizarre tableau. What fate awaits a brother and sister after a traffic accident in this town of the dead? In another tale, a girl falls silent, her tongue transformed into a slug. Can a friend save her? Then, when a young man moves to a new town, he finds the house next door has only a single window. What does his grotesque neighbor want, calling out to him every evening from that lone window?

The story centres on the oddities that appear in the distortions within everyday life.

What destiny awaits them after the screaming?

After abruptly departing from a train in a small town, a couple encounters a “weeping woman”—a professional mourner—sobbing inconsolably at a funeral. Mako changes afterward—she can’t stop crying! In another tale, having decided to die together, a couple enters Aokigahara, the infamous suicide forest. What is the shocking otherworldly torrent that they discover there?

One of horror’s greatest talents, Junji Ito beckons readers to join him in an experience of ultimate terror with four transcendently terrifying tales.

After losing his wife and daughter in a horrific accident, Yun-Jae finds himself stuck in his routine until he receives a diary from his future self. “I can see… my wife and daughter again?” Through winning the “games” in the “parallel world,” one will receive a “prize,” and using this, he could revive his dead family… but out of all the survivors of this cruel world, Yun-Jae is the only one with the knowledge of the future. Will he be able to turn his greatest wish into reality?

Miroku-san, the slit-mouth woman, is to marry high school student Kouichi to maintain her existence as his family has been in charge of upkeeping superstitions for generations. To add, there seems to be another reason that he seems more than willing...

Miroku, however, would rather use her own strength than borrow that of others. Thus, they establish a contract as follows.
1. For a trial period of a year, they are to act as though they were married.
2. If she is able to scare him within that year, the engagement will be broken.

From CMX Manga:
This suspenseful, supernatural series tells the tale of Canon, the only student to escape from a bloody vampire attack that took the lives of her fellow classmates and turned her into one of the undead. Struggling against the terrible needs that compel her, Canon commits herself to use her powers for good and do whatever she can to avenge the deaths of her friends and her own terrible fate. Joining forces with a talking, vampire crow, she begins her quest to find Rodd, Lord of the Vampires.

"Gorisen", a gorilla-faced physical education teacher who folds the flags of all the "stories" of all ages and countries, a popular Twitter comic has been serialized! From the works posted on Twitter, more additions & more pages! For those who know and for the first time, please read it!

At first glance, it's a four-panel comic that doesn't seem like much at all. However, when you read the last panel, the world changes completely!? When you turn the page, there is a newly drawn explanatory page. Mystery and horror that can be enjoyed by both children and adults. A collection of gems of short stories that will leave the world horrified by Aki Konishi, a master of 4-panel manga.

A young girl, Makora, lives in a strange house without any mirrors. One day, she has a strange dream and when she tells her mother, she seems sad all of sudden. On the way to school, Makora starts seeing strange things and when she comes back home, her mother is nowhere to be found. Only a weird guy seems to know something, he has a message for her from her mother: "Find the mirror".

Six lost souls gather in a candle-lit room with a mysterious host. None of them know exactly how they came to be there, but there's only one way out. Each of us follows a path preordained by destiny. If the souls are judged to have lost their path by mistake they will be returned to it. But if destiny says their time is up: they have to move on.

Our protagonist is a college student who enjoys playing as the evil-aligned faction Arachnea in her favorite real-time strategy game. One day, she finds herself in a world similar to the one in the game; additionally, her body is now that of a fourteen-year-old girl. While things are a bit different from how they were in the game, one element has remained the same: she is the leader of the Arachnea. The insects under her control, collectively known as the Swarm, praise her and implore her to lead them to victory. In order to survive, she raises her Swarm and forms friendly relations with the elves of the neighboring forest. But after a slaver traveling through the forest murders one of her Swarm and the nearby kingdom's knights burn down the elven village and massacre its people, she prepares to launch her counterattacks in the name of revenge. However, revenge is merely a pretense for attacking the countries of this world. Her command is masterful and severe, as one who has played the game in real life... (Source: J-Novel Club)

Official English Translation of Novel: https://j-novel.club/v/her-majesty-s-swarm-volume-1/

Chaerin leads a blissful and comfortable life as the lead in a romance novel. She only has eyes for the male lead, Jeha, to the point where all the extras are literal black shadows.

But then, one day, her story suddenly switches genres.

All of a sudden, she discovers that if she wants to live, she has to band together with the extras she ignored before and work with them to survive!

From the author of comes this genre-defying tale!

After the carriage she had embarked upon crashed, Stella is saved by a tall dark and handsome stranger and brought to the mysterious mansion surrounded by poisonous roses in which he lives with three other gorgeous men. However, with no money left, Stella is forced to work as a maid which will prove dangerous for her because she is yet to find out that all four men are actually vampires!

12 girls are imprisoned in a mysterious prison.

Fighting their way through this unjust and abnormal conditiions, these girls have begun a life and death struggle.

A harrowing little girl prison escape survival!!

Sequel to Shokuryou Jinrui: Starving Anonymous, this new story takes place in a normal school, in a normal classroom, with normal classmates. But something is off, and there is an unidentifiable anxiety in the air.