From Batoto: For a long time, wars have been waged between the Overworld and Underworld. In order to end this, people fought for their own cause.

The "battle fantasy" series takes place in a university town by the open waters of Tokyo Bay. In the story, the enemies of mankind are known as "angels" and the school's students train to fight the angels.

Old Gods are invading Earth, possessing humans and baring naked their most wicked emotions. The most powerful 'disciples' of these evil demons are called 'mages'. The story concentrates on two such people: Yoguruma Mugen (disciple of Yogusutoosu) and Narukami Chikage (bound to Nyarlathotep). Their strained relationship and addition of another, seemingly human girl thrusts us into the world where no black or white exist. In this strange and brutal world fight to stay human even in the worst circumstances continues.

The author seems to use lore from the Lovecraftian mythos.

About the title, ダイン (roomaji: dain) is Japanese for dyne, which has the symbol or standard abbreviation of dyn. It is a unit of force that was used in physics starting in the mid-1800s but was largely supplanted by later systems.

See:
http://en.wikipedia.org/wiki/Dyne
http://ja.wikipedia.org/wiki/ダイン

Shitou Teruaki is a former top-notch bounty hunter who's been out of the business for a while and is currently struggling to get back in the game. He takes up a relatively low-paying mission to track down a serial rapist because of his desperate need for money, and is surprised when the currently 2nd-ranked bounty hunter -- the mysterious and assertive "K" -- appears to be competing with him for the prize. But when Shitou encounters local Ice Prince Ayatsuji Kaoru by "saving" him from the clutches of said rapist, the battle for being the #1 bounty hunter really starts to heat up...

manga sequel to K project movie, Missing Kings.

Boruto is the son of the 7th Hokage Naruto who completely rejects his father. Behind this, he has feelings of wanting to surpass Naruto, who is respected as a hero. He ends up meeting his father's friend Sasuke, and requests to become... his apprentice!? The curtain on the story of the new generation written by Masashi Kishimoto rises!

Boruto: Road to B — A manga-omake collaboration between Masashi Kishimoto, author of Naruto, and Kenji Taira, author of Rock Lee's Springtime of Youth Full Power Ninja Chronicles and Sasuke Uchiha's Sharingan Legend.

Old wizards announced the abolishment of the indenture. For the purposes of the respective, the magician's 12 apostles and humans have signed an indenture.

Young boy Linsa has a weird disease.One day, on his way home to rescue the one being chased apostle Alice. Henceforth, he began the adventure of destiny.

Short yuri manga, set in a near-futuristic mecha pilot training school.

From L.O.V.E.:

Through the activity of “Elfenbein” – an anti-government organization that Fon, Jacques and their other classmates established – Fon, now a 3rd year student in Ilegenes Military Academy, became a threat for those important people in the government with connections to the black market. Meanwhile, two female military cadets entered the academy – something unusual in the all-male environment of the academy. One of them, Gabrielle, is surrounded by mysterious movements of unrest… The long-awaited new series of Ilegenes finally begins!!

From Alyschu:
In the primitive world, all the youths were hot-blooded. The Faith of Totem is the direction for one to chase their dreams! Wits and Courage are our instincts for survival. The life in the Warrior Tower was tough but joyous. Shortly in the future, even if everything had already turned to smoke and mist, our friendship will never disappear.

Mihama Academy - on the surface, a closed learning environment established to nurture students who find themselves at odds with the world around them; in actuality, an orchard-cum-prison built to preserve fruit that has fallen too far from its tree.

Whatever the circumstances behind its establishment, Mihama Academy is at present home to five female students, all with their own reasons for "enrollment." For better or worse, each girl has established a routine obliging of her current situation; life moves at an idle, yet accommodating pace within the walls of Mihama.

Yet with the arrival of the institute's first male student, the nearly preposterously opaque Kazami Yuuji, the students at Mihama begin to fall out of step with their predetermined rhythms. Will Yuuji prove to be the element the girls around him needed to take hold of their lives once more, or will the weight of their pasts prove too steep a wall to overcome?

Year 20xx. In a high-tech future, where people are divided into categories according to their birthstone, there are two important things: Box, the immense virtual reality that manages the data of the world population, and Logiste, a fierce dance competition, sometimes even dangerous, whose champions are considered real stars. To Kokoro Koyomi, however, all this is precluded because of her strict father, who forbids her to even talk about it. One day, she secretly gains access to Box, but remains stuck in the virtual reality because of a bug.

From: Easy Going Scans

Mercenary Maruhan, the man who roams the darkness in the time of humanity's doom.

In the ancient era of the super-continent, where no border exists between the East and the West -- the race of Demonic Beasts begins an invasion against the human race, breaking the mutual non-aggression pact!

And as humanity takes to the road to seek refuge, some gather to form the ultimate army for an attempt to kill King Rhode, the Chief of the Demonic Beasts.

The intense story of one certain mercenary starts there.

In the Pretty Babies series:

Part 1 - Pretty Babies (1 Volume - Complete)
Rookie detective Chikara has been assigned to the close minded, hard-faced senior detective Ibuki, One day, Chikara, who had tailed Ibuki in order to uncover his secrets, witnesses Ibuki carrying a suspicious heavy bundle out from a church. Then, after almost being run down by a car, Chikara is asked to spend the night with the beauty who'd been driving in lieu of compensation...?!

Part 2 - Heavy x Beauty (3 Volumes - Ongoing)
In the middle of the night, Ibuki suddenly calls on his superior Kiriya. Both work at the Metropolitan Police Department and have been dating each other for the last three years. One day, Kiriya's uncle proposes to headhunt Ibuki, and talks of Kiriya's own arranged marriage introduction.

"Hmm, I guess it's high time." Kiriya sighs upon receiving a phone call from former bad company...

Dong Nu was an ordinary beautiful girl in her junior year of high school. After an accident, she met a very powerful yellow-haired man. Although his behavior was a little eccentric, he attracted her attention. As she learned more about him, she began to discover that this man had a shocking identity, as he was not just an ordinary mortal... In fact, you might even call him a... Original Webcomic: http://ac.qq.com/Comic/comicInfo/id/524373

Half a century ago, the human race was attacked by an enemy from the sea known as the AUS. When Reiji Shiroyama was little, he was unable to protect his sister from the AUS because the gun he tried firing jammed. Since then, Reiji refuses to trust guns and only trusts his fists.

Some are chosen by the 3 guardians of the Universe that protect the balance of all worlds and to stop a great evil. These soon to be heroes are selected from different worlds and are gifted supernatural abilities and unique weapons to fight of The god of all evil and his force and take back the keystones which hold the source and balance of worlds.

He that kills sinners. he whom carries five blades feels no remorse upon walking with the dead. It is his duty to live forever and find all those who have sinned.

A mysterious transfer student arrives to the third year, class C for Hanazono Girl's Middle School.
Akane is a plain and simple girl who was tired of her over bearing Friends, and silently thinks that it is o.k for the world to be destroyed. However, all the girls of the class wake up to find themselves in a desolated school, with count down timers. Every girl is tied to another one, and this pair must survive a 7 day Battle Royal. As it turns out, Akane is tied down to the mysterious transfer student.

Friendships crumbles, hopes are lost and sanity is tested as the game starts of with a bang!

When all the doors open, the world will slip into chaos... Only the twins Clalisa (open) and Mizeria (close) control the Four Doors that protect the world from descending into chaos. When Rihitel, their guardian, kidnaps Clalisa, he weakens the Door of Chaos and demons begin to pour through, threatening to destroy the entire kingdom. Will Mizeria find her sister in time to close the door and restore order to the world?