Truck-kun's latest victim finds out what it's really like to have the Ultimate Cheat Skill.

Shockingly, there are no slave harems.

Hataraku Maou-sama! with a high school setting.

Meet Sui, a native from an unspecified foreign country. She has moved to Japan to get married and this story revolves around her adapting to Japanese culture and life.

From Nakama:

Sugiki, a standard ballroom dancer, offers to teach Suzuki, a Latin American dancer, ballroom in exchange for Suzuki's teaching him in return.

Their names are similar, but their personalities are complete opposites, just like their schools of dance. When these two meet, something's bound to happen!

Our protagonist, Shakudou Takeru wakes up in a pile of debris. Before him, is a Tokyo completely unknown to him, ruled by people clothed in military uniforms...

Kyouhei, after moving away to Tokyo from his old town to get away from the events that happened, is on a goukon with his friends, including his old neighbor, Shiba. After drinking for a whole night, he and Shiba discover a dead, bloody, body in the elevator. He is told by his younger sister, Utao with her doll, that Aki, an old friend, and his doll, are the culprits responsible.

A world ruled by seven swords which give incredible powers to the one who wields them. The main characters, a kid with no memories and a mysterious white-haired girl, will get involved with these dangerous weapons and confront a lot of deadly situations. Note from the author: This is my first serious work and I'm still developing my own style. This is a manga series I want to publish again properly in the future. I may change my drawing style along the series and this is just a short version of the complete story, so I'll skip most of not very important parts.Official Author's WebSite: http://yamamotoryuunosuke.weebly.com/

She is a famous idol. On the other hand, I am just a nerd. We have to keep our relationship a secret.

The shoot of an exotic tree appears in a Tokyo street. The popular affection turns into astonishment, then horror as the Jacaranda grows to colossal proportions, burning the capital to ashes in the course of a dantean night. Though, as the sun rises survivors discover that it hasn't been a night of annihilation, but of rebirth.

Kurushima Akira is a member of the Japanese Society of Thanatology, which offers illegal euthanasia services to those who "desire a worthy death." People who wish to die come to Kurushima, asking him to keep watch over them in their final moments.

After oversleeping during an attack on Mars, our heroine Eileen is sent to Earth "to broaden her horizons." Eileen can only return to Mars after defeating her quota of monsters, but much to her dismay, Earth is much more peaceful than Mars. Partnering up with Earthing NEET Lovely Melon ☆, no one knows what lies ahead for our two heroines.

Kai is followed by the invisible Fuu who claims that his classmate Yomi is a witch. Then another strange girl transfers into his class.

In the distant future, humanity is now only made up of women. Kohane Sumino has just enrolled into the prestigious Shirasakuya Academy that contains within it a secluded courtyard garden maintained by the Gardening Club. Legend has it that if two people pledge their love for each other underneath a pair of trees in that garden, they will be bound for eternity. Kohane seeks out the garden on her first day of school, where she meets Rekka Hanatsuka, the friendly self-proclaimed acting president of the Gardening Club. Although Kohane proves to be fairly popular early on, she soon learns that paradise is not without its thorns.

From Musume:

This manga revolves around a super-shy girl named Mugi Asai who gets forced into joining the Drama Research Society at her new high school.

A compilation artbook/manga anthology, by Range Murata, with contributions by various artists.

From MangaHelpers:
Ando Hanaka wanted to become stronger because she thought she couldn't protect her friend from bullies. Now as she enters high school, she seeks to enter many of the martial arts clubs in her school. Unfortunately for her, many of the clubs reject her due to her frail and small size. She just wants to be stronger, but is it going to be impossible for her?
All of this changes as she encounters her classmate Yoshino "Koha" Koharu. Koha introduces Hanaka to the world of MMA. Hanaka learns that martial arts is designed to make the weak stronger. Her aspirations of becoming stronger may come true as she ventures into the world of mixed martial arts.

In Tokyo, an unchanging despair is lurking.
Mysterious man-eating beings, ghouls, run rampant in Tokyo. Living hidden during everyday life, the existence of ghouls, whose true identities are shrouded in mystery, permanently terrorizes Tokyo's residents.
At CCG, the sole institution that investigates and resolves cases related to ghouls, Haise Sasaki has been assigned a certain mission. While dealing with the unruly four problem children known as "Quinx", has Haise's days of suffering begun?

From Wonderland After Hours:

The betrayal of her lover sends Chica into despair and as result she attempts to end her own life. But she is saved by a man called Antonio, who helps nurse her back to health. It is then Chica that decides and swears: "I will become a bullfighter. By becoming one, I will be able to die in front of my lover." But little does Chica know of the difficult road that lies ahead and the trouble she must face to follow the path of a matador...

There is a strange breed of mechanical creatures, aptly called “Machines,” who will, on the condition that their Host never love another person for as long as they live (else the debt will be paid in blood), grant their wielders fortune and prosperity. And where a Host has betrayed his Machine, you are sure to find a member of the mysterious Gari family, wielders and hunters of Machines, in the ensuing carnage…

So it was justifiable when the Gari family was dispatched to Shakunage High School to covertly investigate a brutal murder perpetrated by the spindly hands of a Machine… But it wasn’t so justifiable when Hanare Shizuma, a youth with an agenda of his own, enrolls at the High School soon thereafter, hell-bent on conducting his own investigation – and soon meets the head of the family of hunters, shockingly enough, a girl his own age. But little do either of them know that their encounter will set the cogs of fate spinning rapidly into motion…

A oneshot from an indie anthology magazine, Utopia Grass.