From K.I.S.S.:
Shinichirou would rather spend his life playing games on the internet, but sadly he's a heir to a company. His grandfather deems his current life-style unfit for a heir, so he throws him into a house with eight young and beautiful girls. What's more, within one year he'll have to choose one of them as his bride. What will happen to him now?

From Tokyopop:
Sealed in ancient jewels are the spirits of the heroes who tried and failed to unite China in the Three Kingdoms era. These jewels have been scattered throughout Japan, and have the power to draw out the full potential of those who inherit them. However, those owners, known as Toushi, are possessed with an insatiable appetite for battle. Hakufu Sonsaku is one such Toushi. Living in the country, Hakufu's desire to beat something to a pulp goes unfulfilled until her mother tells her to go to Tokyo, where she starts training with other Toushi and sets foot on the path to her destiny.

This is the story of a terrible kidnapping and gang rape crime committed against a 17-old-girl, by 17-year-old boys. Why did such a thing happen? Why was no one able to prevent it?

Based on the Little Witch Academia anime by Trigger.

Tomioka Yuji is a 32-year-old night-shift guard for a mall. He works completely alone, so he often slacks off, exercising and hanging out on the roof. In some ways, the job is perfect for him, as he's always been terrible with people. However, he can't help feeling incredibly lonely and wishing he had friends.
One night, he makes a wish for friendship on a falling star. Shortly after, he finds a strange note left at the door of the mall. It says, "within a year, you'll go mad and die." After this, his solitary life begins to change--some ways for the better, and some for the worse. At work, he notices an ominous silhouette in a nearby apartment building, watching him neglect his job.
Who is the mysterious figure? Who sent him the creepy note, and why?

The short stories of Tomoko Yamashita.
First girl: There was a girl in the middle of the gruesome incidents. ‘I thought that I was invincible.’
Second girl: A recollection of ‘a girl’ who didn’t love an excellent boy, ‘me’.
Third girl: The future where you are cursed when you are born. The only girl who wasn’t cursed is nervous about her undecided future. ‘She is pitiful for not being cursed!’.

The story follows three elementary school girls: Sako, Koko, and Miko. They live an ordinary life until their new teacher starts a bizarre lesson on awakening their special powers.

54 AD. Cestvs, a young boy and member of the lowest social class, is placed into a training school for slave-boxers. It is here that he begins his journey to defy fate and survive.

Kiriya Rinji is 30 years old, divorced, and unemployed. His only talent is playing online mahjong. Needing a way to make money to pay for child support, he goes to the seedy Kabukichou district to play real mahjong for cash. Will his online skills translate to real-life winnings?

It's the era of the Three Kingdoms.

Warlords and their tacticians are indispensable to one another during wartime. This is the story of such general-strategist duos from the infamous Sangokushi.

A one-shot special of the sci-fi classic, “Alien 9”! Otani Yuri is 18 years old and has no idea what to do with her future...but she doubts working for her senpai’s “Alien Countermeasures Company” is the answer!

A young prince would one day grow up to be the 124th Emperor of Japan, Hirohito -- or, as history would call him, Emperor Shouwa!

But what is the life of a boy preparing to one day rule a nation? With the heavy burdens of political and military affairs on his shoulders, and the sacrifice of growing up away from his parents, what lessons did the young prince must learn to bear? What made him smile or shed tears or boil with rage? What did he love? This is the bold drama of one boy’s life from prince to emperor!

In the year 20XX, the state of world affairs is changing at a dizzying pace. This is particularly clear in the growing military strength of countries neighbouring Japan, the issue of resources on the sea floor, disaster relief, underwater transport, maintaining order on the high seas and island defence. In response to a near-skirmish with China over the much-disputed Senkaku Islands, Japan builds the aircraft carrier "Ibuki" and organises a new fleet...

The country called Yukifune is now in an age of air travel, and a group called Saratros exists during these times. Armed with blimps and gliders, what is the Sarastros' true nature, and what is its purpose?
Meanwhile, the army's watch for the Saratros takes a mysterious turn... and soon, Koto, the girl with the golden hand, will deal with the world as she makes her way out of the huge fighting stage!

Sotomura is a high-school girl who is feared as a delinquent and avoided by most students. From her light-brown hair down to her long skirt and harsh manner of speaking, she completely seems the part.

But after Sotomura rescues a girl named Haruno from some bullies, Haruno decides to try to get to know her better. Haruno is surprised to find out that Sotomura isn't a delinquent at all and is, in fact, just a very socially awkward girl that's bad with words but wants to make friends. She enjoys cooking, handicrafts, and hitting the supermarket sales. Sotomura also loves cute and fancy things, but she hides these girly traits because she feels they don't suit how she looks.

Haruno's first step in helping Sotomura is to try to teach her how to smile, because whenever she tries, it ends up as a scary grin. Thus begins the story of Sotomura's attempts to make new friends.

Set at the beginning of the 20th century, the West grows ever stronger in the Middle East, and the Russians fight with tricks and wiles for what they have to offer. Maria Mantegazza, the legendary pilot whose nickname "Two-winged Angel" flaunts her ability to land wherever she pleases, assists Alexei, a Russian agent called "Star Of the Orient", on his escape as a traitor to the Great Britain.

When the black blade roars, all who stand in its path shall be torn asunder…! What is it that Koinzell, the mysterious young boy who wields the sword with such exceptional skill, desires? The fight against the “Lances of Betrayal,” who were thought to have been defeated by the Seven Heroes, begins--And at battle’s end, only the shocking truth will remain amid the pools of blood.

Taku, the boy with a black cat. He uses medicine that cannot be obtained through ordinary means. He is a self-proclaimed Kusuri-ya.

Set in a Western Medieval-like place during times of war, Eleonora "Ellen" Viltaria, one of the Vanadis of Zhcted, leads the battle into Brune. There are, in fact, seven Vanadis, named for having each received a powerful weapon from the dragon to individually reign over seven territories. The power of the Vanadis invokes dread and fear from their enemies. An earl in the service of the country of Brune, a young archer by the name of Tigre, experienced the Vanadis's power firsthand after being defeated on the battlefield by Ellen. However, Ellen chose to spare his life after witnessing his skills, but in exchange, he is asked to serve her.

From Lezhin: Yeon Jang Hwa is a more or less average college student: she attends a pretty good university, is not too ugly, and has a nice boyfriend. Her a twin sister, Hong Reon, on the other hand, is the opposite. Being the good sister she is, Jang Hwa sets out to help her twin sister... but at what price? The truth is in the details. Original Webcomic http://www.lezhin.com/ko/comic/twin