Mahiru came to the woods when a beast appeared before him. To his shock, it became a human figure whose name is Kataragi. Thus, the start of a sudden love story of wonder and fascination.

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]

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?

Grimm Otogi is a descendant of the Grimm Brothers, authors of the well known Grimms' Fairytales. Upon picking up a mysterious book he discovers in his house, Otogi is attacked by a demon.

He soon learns that the Grimm brothers vowed to sacrifice the lives of their descendants in exchange for the fairytales, forcing Otogi to defeat the demons from these cruel and twisted stories if he wishes to survive.

One day, Seo Jihoon receives a set of clothes that if worn, gives him a mysterious power. But the clothes... are so perverted!

From Yen Press:

Average schoolgirl Nanami is excited about only one thing — getting closer to her crush during the new school year. Little does she know that there’s an ancient power running through her veins, which is why she’s being pursued by Tomotaka Onigoroshi, a swordswoman who will stop at nothing to rid the world of Nanami’s presence! But while their initial confrontation is as hunter and quarry, will Tomotaka’s allegiances shift when Nanami steps up to defend her against an unexpected opponent?

This is the era of Louis XIV the Sun King. Mystical Poets write their poems in the blood of young maidens in order to gain power. The poems are a call for an uprising against the government. The police force and French army have proved useless in stopping these murderous Poets. Only one person is able to rise against them, and she's dead. She fights through her brother d'Eon de Beaumont's body, slaying the Poets and retrieving their poems for revenge, as the Poets were the ones who took her life.

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...?

Koide was turned into a vampire at the age of sixteen--one hundred and thirty three years ago. Now, poor Koide is trapped in an eternal loop of the same old homework, the same boring lectures and meaningless tests, and an ever-unquenchable thirst for blood. Koide has repeated his uneventful sophomore year of high school one hundred and thirty-three times, and now, in his one hundred-and-thirty-fourth-year, he doesnt expect things to change and is frankly too bored to care.

But his classmates this year seem a little different than ever before. Theyre thrilled to have a vampire in their midst, and are eager to do whatever they can to help. Will 134 be Koides lucky number or is that just wishful thinking?

What if you could become young again? What will this young teacher do when this spirit offers her the ability to become a child again and live her love with her young pupil? What must she sacrifice to feel love for the very first time?

Wolves and foxes have been living with humans to breed. There's a rule that they cannot hang out or fall in love with each other since they are rivals when it comes to breeding. But wolf Han Sirang and fox Kim Ho are attracted to each other and break that rule by secretly continuing their dangerous relationship...

A generation ago, an abominable war foisted a "devil's contract" upon the soldiers of countries warring on a single continent. In the middle of the legacies of that war, Cecily Campbell, a daughter of a noble house with diminished power, joined the knighthood of the free city she lives in.

One day Cecily encounters a man who dispatches some hoodlums with one sweep of a mysterious sword. The man possesses the power on the same level of the "devil's contract" that has become taboo, now that peace has been restored. Cecily has been searching for a blacksmith who can repair an old sword she inherited from her father, and that mysterious young man happens to be a grumpy blacksmith named Luke. This encounter launches their adventures together.

From the English publisher of The Sacred Blacksmith, Seven Seas:

Like her father and grandfather before her, Cecily Campbell has entered the knighthood and joined the ranks of the Knight Guards of Housman. Eager to do her heritage proud and defend her city, Cecily rushes to the marketplace to stop a madman from terrorizing the populace. She quickly realizes, however, that she is hopelessly outmatched and ill-prepared for an actual fight. A lone figure named Luke Ainsworth swoops to the rescue, a swordsman and blacksmith of much renown, who will repair the broken sword Cecily has inherited from her father and take her down a road of perilous adventure beyond her wildest dreams.

An insufferably arrogant vampire prince falls in love with a lowly human commoner girl! In a forbidden game of cat and mouse, you cannot stop this blood-stained love. Gently taking a bite, you are my possession. Original comic: http://www.kuaikanmanhua.com/web/topic/906/

One day, a strange transfer student appears before Tsubaki. Urabe Mikoto is an antisocial girl, whose hobby is just sleeping during class-breaks. One day, Tsubaki goes to wake her up and accidentally tastes her drool... and gets hooked on that!

After that, he starts going out with her and gets to know her better. Her second hobby, as it turns out, is carrying around scissors in her panties and cutting paper into flowers...

Year 3666 AD, Judgement Day has arrived upon the planet. Only two children survived, Wu Yue and Xue Yan, and the two became integral parts of the divine battleforce to defeat the great Devil of Lament.

With the odds against them, Xue Yan announces she will marry whoever can defeat the demon and restore peace in the universe.

30,000 years after succeeding the near-impossible feat of killing the Devil of Lament, Wu Yue finds Xue Yan once again to claim her hand in marriage. With a twist of fate, Xue Yan tells him she cannot fulfill the promise for she was now betrothed to a higher divinity. Was all Wu Yue's effort and patience all for naught?

Gag manga. Based from Dangan Island scenario, an IF scenario where no murders happened. Full of comedy… Black comedy.

A short story about a boy and his final wish.

A short story about a boy and a girl on their way to their next life.

From HotCakes:
Various unconnected oneshots from different years in the author's career.

From Chibi Manga:

A heroine who can see a spirit, Sakura! From living with fear being threaten everyday turns into a ikemen paradise student council...? What Is happening..?