From AQUA Scans:

Closet-otaku girl Hirayama lives a peaceful and normal school life. That is until she meets the smart, handsome and popular high-school president and discovers his secret. Her peaceful and quiet world is now starting to fall apart.

In Feudal Japan, the people of Edo are under siege by giant insects that ravage the land. The people desperately beg the government to do something about it. Thus the Insect Magistrate Office is established, gathering strong warriors to defend against the onset of pests.

Jinbee Tsukishima is a young man following the belief that a weak warrior isn't a warrior at all and strives to be a master swordsman just like his father. To atone for a horrific incident that occurred at his fault, Jinbee seeks to take his father's place as a member of the Insect Magistrate Office. On his journey there, he meets the lovely Haru, a young woman who helps manage her family's tea house, and is forced to put his sword to good use in saving her from a grisly fate. This act of bravery earns him a spot in the Insect Magistrate. Will this rookie exterminator be able to rid the land of the horde of insects swarming in?

From MangaHelpers:
One day, 22-year-old Kanzaki Misuzu is suddenly transported to a strange world. Based on the pop-up screens she can access, it seems she's entered some kind of RPG as a magic user! Luckily, she can use the gaming skills she acquired as an otaku to make her way in this new world. But before she knows it, people start calling her "the Black Healer".

From Canis Major Scanlations:

Daigo's going to be a university student starting from spring. He has two male cousins who are identical twins, called Shin and Jin. Daigo has always been secretly in love with the kind Jin who's always treated him like a younger brother. However, his feelings were exposed by Shin, who's always doted on him as well. Under pressure by Shin who said to him “Choose me,” although he resisted at first, looking at the same face as the person he likes and hearing the same voice, his heart can't help but beat faster…?!

Set in 2002, 3 years after the death of Akagi Shigeru, this sequel to Ten - Tenna Toori no Kaidanji chronicles Hiroyuki's quest to follow the late Akagi's advice and live life freely even if it means complete failure.

A tale about the life of the seventh Demon King in the past and present.

From Sura's Place:
A story of three female employees at a game company.
One of the female employees is a programmer, "a rare item."

From Demonic Scanlations:

If you're being chased by demons in your dreams everyday, having to run for your life to survive, living in the Dreamland would fill you with despair. In order to go against the dream demon, human's don't fight against each other in the dreamland, humans made a secret group to fight, but saving every human deep despair, is everybody's wish. However, to save others from this nightmare is easier said than done.

The humorous adventures of a veterinary student, his friends, and his dog, as they learn how to care for all kinds of animals.

It is a manga of high-school baseball. The main character, who starts as pitcher from a country middle school, gets teamed up with a catcher from a school with an elite baseball team. He decides to leave the countryside to attend the school that this catcher plays for...

Winner of the 53rd Annual Shogakukan Manga Award (2007) and the 34th Annual Kodansha Manga Award (2010) for the Shounen category.

From Overworld Scans:
Jiang Hao Yi, a normal, high-school student who is extremely scared of getting into trouble suddenly becomes the Harem King of his school and gets confessed to by a bunch of beautiful girls!.
The worst thing is, Jiang hao doesn't know any of the girls who confessed to him. What on earth is happening?

Akasegawa Naoya's mother remarried recently and he suddenly finds himself trying to get along with his new big sister Amane, a student of the prestigious Kasugano Girls' School. But his new big sister isn't like what you might first expect.

Our protagonist Sungji just got hired to work at Hello Studio game development. Although most of the other employees are indifferent to her, there's one person left who approaches her. She's straightforward and rough, but cute at the same time. But this person is none other than Sungji's superior, Team Manager Sung Sumin... We present an elegant 19+ GL manhwa with shocking twists and turns!

From Yen Press:
Haruka Tooyama is a twelve-year-old girl with incredible precognitive abilities. But her accuracy in predicting the future has made her a target for any number of greedy corporations that would use her power for their own profit. When she is kidnapped, Haruka uses her gift to seek out someone who can help her escape and fixes upon a blind man making his way through the busy streets of Tokyo. Though it may seem an odd choice, Haruka's powers have not led her wrong. Despite his inability to see, her chosen protector’s fighting skills become apparent when he draws a sword from his walking stick and deftly takes out her captors. Knowing she will always be pursued for her gift, Haruka begs the mystery swordsman to keep her safe... "Until Death Do Us Part".

Humans live mostly behind safe walls, protected from the many non-human creatures outside. In this kingdom's walled capital city of Mitera lives an unusual young warrior woman known as Claria. The story begins as she takes a potentially deadly walk alone in the woods, encountering various dangerous creatures. Most notably a lizardman that treats her surprisingly kindly. But what no one knows about Claria is that she is secretly this kingdom's ruler, Queen Vivian.

In the year 20XX, the decline in birth rates is a serious problem. To counter this, the government has established an outrageous academy. The academy's goal: "To teach boys and girls how to properly date, and in the near-future create good families through marriage." In a school where the doctrine of "love" has gotten out of hand unfolds the ultimate love battle of two virgins!

The story tells of a human and an angel, and centers around Mirai Kakehashi, a boy who "does not seek out hope in order to live."

From Toothpaste Scanlations:

Only the rich, upper-class students get to attend the private school, Ootari Gakuen. The ordinary girl who transferred to this campus was Oogisaki Minori. Minori originally dreamed of having a happy school life, but she never thought that there would possibly be a reputative Student Enforcement Council full of cute guys, who through their strict rules, control the whole school! Not only that, but on Minori's first day of school, she was picked on by them!

Also includes:
Happy Tea Time
Instead of going overseas with her parents, Nao decides to live with some relatives who own a cake shop called Peach Garden. The owners had to go to Tokyo so that left Nao with their three sons. Will Nao be okay living in a house only with guys?

Junichiro Koizumi. Prime Minister of Japan, or God of Mahjong incarnate? Watch him clash with other world titans such as George W. Bush, Kim Jong Il, and Vladimir Putin in the one force that matters in the political world: mahjong.

From Senpai Scans:

I was gently touched by a warm hand. The words that waited in the corner of my heart. That moment held a spark, something not to be shared with anyone else. That's fine. It's because of that it's fine. Your happiness is yours only--... As the title states, a collection of tragic and gentle stories.