Shirasaki is incredibly bored by his unchanging daily school life and he ends up falling for his weird classmate Kamimura Yuuka, who rants about changing the world to his uninterested classmates. However, when she reveals the truth about the nature of their world to him, everything will quickly become stranger than he would ever have expected!

A sweet and short Oneshot perfect for the Holidays.

Teshima Hibari is a 14 year old girl with a body that is more sensual than most girls her age. Her story includes the opinions and reactions of all of the people around her, as well as the actions of her own life. The chapters explore the thoughts and feelings of classmates and adults, men and women. The males often have romantic or sexual feelings for Hibari, while the women sometimes have feelings of inferiority or jealousy. Whether positive or negative, it seems everyone has a reaction to Hibari. 

A manga adaptation of the popular game, Hollow Realization takes place in the VRMMORPG game Sword Art: Origin and sees Kirito and friends traversing the land of Ainground, a rebuild of Aincrad, when they meet a mysterious NPC girl named Premiere who hasn’t been coded into the game. Vowing to protect her, they search to uncover the truth of her null coding while also contending with players who want to erase her existence from the game.

From MangaHelpers: The Comp is a popular portable game system that also functions as a smartphone. But it suddenly becomes a portal for demons to travel to the human world! Kazuya receives three Comps, from his master programmer cousin Naoya, for himself and his two friends Atsuro and Yuzu. In order to survive the demon invasion, the trio have to use the Comps to summon and subdue the demon that appears in order to fight back against the waves of demons that are about to swarm Japan! [vyc]

One day, I was kidnapped. «What is it that you want?!» The kidnapper who hadn't responded strokes my face and finally speaks: «Something... you will probably hate.»

Akabane Yuuhi, a 15-year-old girl who aspires to become an actress. Well, her dream might soon come true. She has been accepted into 'Diamond Actors Academy', a very prestigious school which trains young boys and girls to become actors. Many famous actors and actresses graduated from this school. So, of course, Yuuhi is excited. But, things start to get a bit weird. Just what is up with their teacher, Otome Kasumi? The acting is getting a tad too realistic to be considered acting. Things are getting really creepy. Is the school really what it seems? Or is there more to this school than meets the eye?

From Chinatown KM:
Nanase Takeshi is a normal high-school student with a slightly traumatic past. You could say he's hard-working but in reality, he really cares about what others think about him. For some reason, he is going out with his childhood friend, Isoshima Kurumi, but otherwise, he's a pretty normal guy. One day, however, he sees a girl wearing a uniform he had never seen before, who had collapsed on his school grounds. She is Aiba Mui and her appearance marks the beginning to a series of weird incidents. She once said, "to be honest, I'm a magic user and sorry. I turned you into one too."

A dramatic collection of stories linking four men and their "half-baked" lovers. Follow the merry-go-around of inter-linked men and their relationships as they come full circle during Advent season.

Shiori Michishige has always dreamed about meeting her "fated lover." During the spring break preceding her first year of high school, Shiori starts dating Itsuki Karusawa. Although she thought she had finally met her destined soulmate, Itsuki cheats on Shiori and the two break up. Shiori then makes her high school debut with every intention of finally finding her true destined lover and take revenge on her cheating ex-boyfriend... but Itsuki happens to be in the same class!?

The summer they were eleven, they killed a man and buried his body in a cave. Since then, every year, one summer night has marked a ritual: a ritual never to forget, and never to betray. Five years have passed. Their sixteenth summer. The body, now a skeleton. Unravelled lies. A faceless blackmailer. The phone rings, and a life is torn apart. The bones, like their crime: never rotting, never fading away. Now, a living hell begins.

A what-if story taking place in parallel world which focuses on the relationship between Kiyotaka Ayanokoji and Suzune Horikita.

The Tokyo area has been hit by a gigantic earthquake. In the midst of this chaos, Akito and Yumi meet and together they start traveling through the city in order to survive.

Little Geuroo was curious about him. That boy from next door who asked him a strange question. The boy, Lee Garam, who always avoided him even though all Geuroo wanted was to get close to him. But before Geuroo could even confess, Garam disappeared in thin air, leaving only clusters of blue light behind. And then, one summer, he appeared in front of Geuroo as if nothing happened...?

After her parents divorce, Maki moved from Tokyo to the countryside with her mother and met a mysterious woman.

A young mermaid finds some ero magazines discarded in the ocean. She decides she wants to be human when she grows up so she can marry one and have fun. Unfortunately, the spell a mermaid witch gives her so she can have legs on land doesn't work when she gets excited.

Onodera Ritsu has just transferred from his father's publishing company to Marukawa Shoten. Assigned to the shoujo manga division, he crosses path with the person he'd least expected to meet. Takano Masamune is the editor-in-chief of the division Ritsu's been assigned to, and the two seem get off on the wrong foot right from the very start when Takano unexpectedly kisses him. However, there is more to than what meets the eye: Takano is actually Saga, Ritsu's senpai and high school love, whom Ritsu had thought to have played him for a fool by taking his affections for granted when he confessed and summarily dumped him.

A personification drama about the internet, "Hey, aren't you a passerby?"

When class representative Takeyama comes to the house of a classmate to collect school lunch fees, she is drawn into the problems of Yasumi, the only living member of the debt-plagued Matsudaira family, and her loyal maid Miharu as they struggle to pay off their debt in spite of Yasumi's "minus fortune".

From Decadence:

This manga is a love comedy collection of oneshots about how mysterious meetings can lead to falling in love before you even realize it! These stories will be sure to make laugh and cry at times.

Volume One includes...
-The mysterious NEET owner who appears every evening from the floor above.
-The husband who struggles to support the love that has come to visit his wife
-The strange businessman who has purchased a gravestone for his final resting place?!
-The little brother who suddenly appeared in the room of someone living alone...