Kiyora is a bored student at St. Joanna all-girls school. Using one of the books her father sent to her, she unleashes a demon, and then begins to investigate the disappearance stray cats from the school's campus in the hopes of unmasking the virtuous priest, Father Shion.

From Echochi Scans:

In the evening, a rather familiar girl standing in front of a general store’s window… Just when he thought life isn’t a shoujo manga, our dear main character got dragged into an adventure of his lifetime, at least it would seem so…

One shot by the new Mangaka released in the 11th issue of Comic Alive 2013.

A short four page story about a girl.

How wonderful dormitory life is!Two students killing time in the laundry.

Every day, without fail, on the stroke of midnight, she comes…

Two high-school boys run into each other, and find that they've swapped bodies.

From Kokoro no Oasis:

Lina is an honor student on a mission to be perfect, and all's going well... until the free-spirited Prince Gigi transfers into her class.

From Chibi Manga:

A non-popular boy will cross paths with a popular girl. And then, they'll make a promise?
---------------------

Two children have made a promise with each other. Years later, being an insignificant actor for horror movies, the boy dreams of his childhood sweetheart who has become the latest star actress. How can he get his hidden feelings across?

New One-Shot from the mangaka of Psyren. 15 year old Eita gets inhabited by a species from space who challenges him to guess its name within five years or else he will be taken captive back to its home planet to be examined and study as a biological species from the planet Earth.

A....love story? just kidding

Nanako is a senpai from work gets really drunk at every party, and Yui is today sacrifice who will be looking after her.

Haruki used to be close with his younger brother Yuuki when they were younger, but they've since drifted apart. Haruki wants to use the chance of being alone with Yuuki to get on better terms with him, leading him to discover Yuuki's particular tastes.

Haruki used to be close with his younger brother Yuuki when they were younger, but they've since drifted apart. Haruki wants to use the chance of being alone with Yuuki to get on better terms with him, leading him to discover Yuuki's particular tastes.

A powerful, monster-slaying witch comes to a village where all the women have been abducted by a powerful monster living in the nearby forest. During her stay, the witch makes a young boy living in the village, who can also use magic, be her bodyguard.

Haruko Sakurai is inspired by reading a certain trap manga magazine to become a daycare teacher. On her first day on the job, she aims to reenact some of her favorite scenes from the magazine.

Note: Original language image is unavailable.

Rokurou, the class' cockroach (figuratively speaking), is visited at night by an alien girl who bestows magical powers upon him!
Finally, he can ascend from his status of a complete nobody to the town's unique super hero! … Right?

Collection of short stories:

Volume 1: Gekogeko

Volume 2: Piyopiyo

Volume 3: Uchuu Taitei Ginga Thunder no Bouken
Wani Onii-san (Crocodile Brother): Onii-san has turned into a crocodile! How is his sister, who has a brother complex, going to use love to overcome this forbidden interspecies obstacle?

Winner of the Outstanding New Author award in the 7th Chiba Tetsuya Awards and Fukumoto Nobuyuki's very first award is about a rowdy, alcoholic high schooler who finds love in a childhood friend.

When Nao was a little boy, he was friends with a little girl with the same name. But after a traumatic incident, they lost touch and the female Nao's hair turned white. Years later, a white-haired girl appears in male Nao's life. But does he even remember that little girl he used to know?