This is what you'd get if K-ON was not about cute girls doing cute things in a light music club, but cute girls doing cute things in an FPS game club.

From Chibi Manga:

"We talk to our customers through the internet."
This is the famous logo of the most popular host club in Akihabara, Cyber Host Club. Cyber Host Club is so popular that there are customers who fight each other in order to attain the mail address of the No.1 super handsome host, Ouji. Akari, an Ouji fan, has fallen in love with the kind Ouji at first sight. In order to become closer to him, Akari must use her computer. But she is horrible with technology, especially computers. But good thing for Akari, she finds an Akiba otaku, Touma, who is good with computers. She'll have him teach her how to use the computer... but... why does he look like someone Akari knows?

Momo Momoda, a Kansai girl who dreams to be a game creator. She is accepted as a Planner-in-training in a indie game company, G3. However, what will face her are the bitter disparity between her dreams and reality. She starts to learn the real lesson!

Taiyo Tenkawa, who often caught by his own thoughts in gaming world. Hoshino Tsukiyama, the normal employee who has a mysterious hobby, and a lot of other members with various personalities. Nevertheless, until today their game spirit are burning in passion in the nook of Akibara! It's a hot story of the game industries whom compete for the good deed!

In the mid-1990's, Yasuhiro Imagawa adapted Mitsuteru Yokoyama's original manga, Giant Robo, into a 7-part OVA series entitled Giant Robo: The Animation - The Day the Earth Stood Still. Imagawa's adaption strayed far from Yokoyama's Giant Robo, featuring a mostly original storyline which included characters and elements pulled from several other Yokoyama projects, such as Tetsujin 28 and Babel II. Giant Robo: The Day the Earth Burned is another story set in the universe created in Giant Robo: The Animation, in which young Daisaku Kusama commands Giant Robo, the mightiest robot of our world, in the battle against the underground terrorist organization known as Big Fire.

Yamashita Tomo is just an average junior high school girl...but her father is a "NEET", and her mother was reincarnated as an old man!? Yamashita and her dad try to adjust to the bizarre situation set upon them.

They have been maintaining the balance of Yin and Yang since ancient times. Whenever the world is in chaos, there are many cases where evil spirits come to do harm to humans. The gods select talented humans and they are given their own guardian god for them to calm the over flow of Yin. This has continued all the way up to the present, so those that are chosen by god are hunters that eradicate ghosts, they are called Ghost Hunters.

This manga will contain remastered graphics, and additional scenarios for Ayano Kaneko, a supporting female character being promoted to a heroine.

A prince who’s been paying back his country’s debt little by little through mercenary work suddenly has the chance to get a huge sum of money. But the catch is, he has to arrest the leader of the strongest thief gang.

Series of original doujinshi related to Hidoku Shinaide.Main Story:Hidoku Shinaide( http://mangapark.com/search?q=hidoku-shinaide )

From MangaHelpers:
After 10 years of training, two young shape-shifting dog ninja are told that they're ready to be tested in the field. They find their new owner, Mitsuyoshi, who takes them in on the assumption that they are simply lost doggies. He gives them new names--"Hanzou" and "Hadzuki." The two dog ninja are supposed to protect him from any other demons, but they must not let him learn his new dogs' true identities. Unfortunately, Mitsuyoshi met Hadzuki in her human form very early on, when she rescued him from a couple of demons. Now she's got to keep her human and dog relationship with Mitsuyoshi separate, something not made easier by constant demon threats and her growing attraction to him.

Homare doesn't succumb to her father's disappearance and her mother's illness and works hard to inherit the tumbledown inn with hot springs. What will happen to the firm rule of no love!?

Rando Rino, who is on her own since the death of her mother, transfers to Miyagami Gakuen, on the recommendation of her penpal, Mr. Poppit. Shortly after her arrival, Rino surprisingly becomes a member of the Gokujou Seitokai, the prestigious student council of Miyagami High. Rino learns that Jinguji Kanade founded Miyagami Gakuen as a place where students can live free from restrictions and that the Gokujou Seitokai was formed to ensure that freedom. The Gokujou Seitokai is divided into the three main divisions: Executive, Assault, and Covert plus the Vehicle Squad. Each of its members has her own special ability, such as special fighting techniques or weapons like cards and a yo-yo, or, in Rino's case, a living hand puppet called Pucchan.

Rino's life at Miyagami Gakuen is paved with hilarious events, but every now and then, there is a more serious and philosophical undertone.

Masahiro is a manager at a modeling agency and himself a former model. His newest charge is 16-year old Yoshimi. Yoshimi has looks and charisma to burn, but he’s also an over-privileged, egoistic, bratty teenager. When Yoshimi finds out that Masahiro is gay, he commands his manager to give him extra-curricular instruction in sex between men. But if Yoshimi wants Masahiro to be exclusively his, then he’ll have to surpass top model Akito, his rival in business and in love.

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A series of short stories centering on Sugekoma, a high school prodigy with severe behavioural problems, and Miss Matsuzawa, the teacher who he ties up all the time. It's a big send-up of S/M cliches, H manga, SF, and the otaku mentality.

There are minor subplots concerning other students - e.g. Junko Fujieda, who can't stand perverts, they make her violent; and Murata, a masochist who's infatuated with her.

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From ryColaa:

Akiyama first came across seeing Hana in the corner of the television screen when some nameless female kickboxer was being interviewed. Since then, he was smitten and went to all three of her matches, but then all of a sudden, she stopped competing and he became at a loss as to what to do. But then he runs into her by accident on the street on his way home from work and discovers that this woman, who wants to become the world champion, is far more complicated than he could have ever imagined…

When forcibly injected with the DNA of Musashi—the legendary swordsman—by the secret organization Akai Umi (Red Sea), Hagane Yakushimaru becomes a master fencer with supernatural powers. She sets off to rescue her parents, who have been abducted by Akai Umi, making friends and foes with supernatural beings (parasite projects) who have also been injected with the DNA of other historical figures.

What is Hagane's secret? Why is she the only successful female DNA injection recipient? What exactly is the project called the "Revelations of the New Millennium"? A veteran artist depicts a futuristic battle manga on a grand scale.

Confessing your feelings the girl you love is never easy. Even more so if she's one of the school's two most admired idols. Kobayakawa, now a high-school student, has been going to the same class as his crush, Kawai Yui, since elementary school. When he finally decides to call her out, he's so nervous that he ends up confessing to be in love with the school's other beauty, Kawashima Asuka,...?!

A collection of historical one-shots.

1) Romance hidden in the leaves
A frivolous samurai's apprentice find his way into the heart of his prim & tenacious ronin sensei.

2) The road through dreams
A 16 years old nobleman is in love in his childhood friend, a servant in his family house, but the latter can't return his feeling because of their class differences.

3) Sign of a world's love
Before commodore Calbraith Left Japan he picked the most beautiful flower of the orient...

4) Odoru Awa ni Tama no Hada
Young sensei from Tokyo is appointed as teacher in a remote fishing village's school. His young but tough students giving him a hard time, especially the bossy son of the head of the village.

5) Gentle Darkness
Since his family moved recently to a western mansion a spoiled rich youngster had to live in a western life style that he hate. While wandering in his new family's estate he came across a strange house but is seems that the person who lived there is even stranger...

6) Shirayuki no Sono Mune ni - Romance hidden in the leaves (1) Omake (deals mainly in the second couple in the story).