From MangaHelpers:

Gaie Kensei is just starting his high-school life, at the same school as his childhood friend Nireki Hikari. His high school boasts a highly competitive kendo club, and Kensei is excited to join and begin learning from the older students. However, the fact that Kensei's father is a legendary kendo competitor works against him. Once the other club members learn that Kensei is not as good as his father, they refuse to let him join the team.

Wandering around in despair, Kensei comes across the secret hideout of Ashihara Naoto. She seems highly skilled in kendo, though she spends all her time reading and claims she hates the sport. Naoto reluctantly helps him train up to prove his worth to the kendo club, though she refuses to join the club herself. On the final day of club sign-ups, Kensei finally makes it into the Kendo club, along with his childhood friend Hikari, who becomes the first female member! Their kendo-centric high-school life is only beginning!

After the first "Last Exile" series, Claus, Lavie, Alvis, and our other heroes board the colony ship, Exile, to return home to the planet humanity abandoned hundreds of years ago. A few months have passed and the quiet, peaceful life they had hoped for is suddenly disrupted when a familiar enemy appears. How did the enemy they left behind a world ago follow them all the way home!?

Vanships are flying vehicles that float and fly with the use of a rare metal called Claudia. Fam and Jize are young female pilots in the kingdom of Turan who have made a name for themselves for their creativeness and excellent piloting. Turan is currently run by the two princesses, Lilly, the older of the two sisters, and Milia. Then there is Dio, a mysterious pilot who drifted into town several months ago who is just as talented of a pilot as Fam. When the neighboring Ades Republic declares war on Turan, the paths of these people cross and they have to work together if they want to survive.

Teenager Kurikura Kansuke lives in a small village with his family but tragedy strikes one day when his younger sister, Ayame, is brutally murdered. Six years later, Kansuke, in his search for his missing older brother, finds multiple women who all call themselves Kurikura Ayame. Kansuke learns that out of grief for Ayame, his brother created dolls, each with a part of her corpse and enhanced for combat. Kansuke vows to find his brother and stop the mindless violence.

In a near future, technology has firmly taken root into society at large. Cybernetic implants are nothing uncommon and robots roam as plentiful as humans, all connected through their "ghosts" to the electronic datastreams of the net. Major Kusanagi Motoko and the Public Security Section 9 find themselves in a constant battle with the newly created wave of technological terrorists and cyber-hackers. But things take a turn once Motoko gets involved in a certain case involving an extremely dangerous "ghost" hacker nicknamed the Puppeteer, as she dives deeper and deeper into the limitless reality of the net, to reach her own startling conclusions.

A thousand years ago, Enka, the god of destruction, died leaving a prophecy that its "child" would one day destroy the world. In order to prevent this, Operation Cozy Family is implemented in which the children who are potentially prophesied as the Child of Enka are suddenly forced to live together and take different familial roles.

This impromptu family contains children, human and otherwise, with an official of the bureau and a self-proclaimed goddess assigned to be the married parents of the household. The goal of Operation Cozy Family is to discern who the prophecy applies to, as well as to teach all of them all about the love of family in hopes of convincing the Child of Enka not to destroy the world. But with all families, there''s bound to be mishaps, and with this group, there's also adventure—with the fate of the world in the balance!

From Minna-scan:

This is a story about a Kuu, who is thinking about her prince all the time, she has dreams of him all the time, of him telling her to come with him. One day, as she goes back to school, she meets with someone who looks like him. Before long, the story gets complicated with mechas and stuff--what will become of Kuu?

A manga about the four brothers of the Kuzumoto family, a group of people with supernatural powers. This year they are selected to be the "Supernatural Management Team", a group tasked with preventing any abuses of supernatural power that would cause disturbance to the ordinary people of the town or allow the discovery of people with supernatural powers. The story focuses upon 14-year-old Sora and how he and his three brothers work to protect the peace in their town.

A tale of obsessive love and constant pursuit, told over a 1000 years.
Escaping from a brother who had just ascended the throne, Yoshitsune, along with his servant, comes across a house in the middle of a desolate mountain. Oddly enough, only a young woman lives there, who seems to possess a very dark and ominous past.
This long journey of more than a thousand years focuses on our main protagonist Kurou. It can be somewhat confusing at the beginning, but once you understand the plot this story can be quite entertaining.
The main thrust of the story goes like this: Kurou meets a beautiful woman by the name of Kuromitsu, and begins a relationship which transcends life and memory. Kurozuka tells the tale of a journey undertaken by immortals, and those who chase after immortality.
The majority of this story takes place many centuries in the future, after Kurou has been separated from Kuromitsu. Having lost almost all of his memories, Kurou seeks to understand why he cannot die, to rediscover his identity, and to find the woman that haunts his dreams.

In Shibuya, Japan, on January 26th, 2016, a dimensional rift opened between Earth and a horrific planet called Dreague. Our world changed forever that day as hordes of terrifying monsters, that we called Kaijin, began to cross over, and there was seemingly no end to their numbers. These vile beasts were not much bigger than men, but attacked with ferocity unlike anything on Earth. Despite the best efforts of the world’s armies, the Kaijin invasion spread across the planet like a disease. Approximately 400 years later, an estimated 5 billion Kaijin inhabit Earth, with only a fraction of the human race remaining. Over those 400 hundred years, it was survival of the fittest. Only the most exceptional from each generation would survive…and it is believed that for this reason, the newest generation have made an evolutionary jump. Incredible speed, incredible strength, telekinetic powers, lightning reflexes, and even super dense exoskeleton’s are just a few examples of how they evolved. A small team of these remarkable humans has formed in New L.A., and decide to head East in search of others like them. They need all the help they can get as they battle Kaijin and other obstacles, on their way to the rift site in Japan. Along the way, they also discover that it’s not as black and white as good versus evil. The 2 races have more in common than anyone could have imagined. They’re not sure what they’ll find in the rift, but one thing is certain…as long as it stays open, there’s no hope of taking back Earth.

It is the start of the 20th century and the Parisian commoners celebrating the Belle Époque are fascinated by the antics of the resident phantom thief Arsène Lupin. But the mask of Lupin actually belies a beautiful woman...? An epic adventure aboard a luxury liner and involving even Detective Holmes is about to unfold!

A young knight from a destitute noble family tries to live up to the code of chivalry.

Deronga Five Alpha is a dying unstable planet which according to studies, used to be a very lush planet with all kinds of different species. The current state of the planet is a horrifying place where vicious carnivorous creatures fight in the “survival of the fittest.”

Captain Bagures, the leader of the research spacecraft, is a cold and cruel woman who, despite the warnings, unnecessarily sends a military team down to the planet for research. The end result was a catastrophe with the team being slaughtered by the creatures on the planet. The leader of the team, Cannon, vows vengeance on Bagures before seemingly dying.

Jump to 20 years later, a spaceship comes near Deronga Five Alpha to see the end of the planet. As the planet explodes, a foreign object attaches itself onto the spaceship. As nothing can survive a planetary explosion, the crew investigates the object only to find out it is one of the creatures from the planet Deronga. As the story progresses, the creature goes into a rage after seeing Bagures, now an extremely important person in the military, on the monitor screen. Could this creature be Cannon and how do you stop something that can withstand a planetary explosion?

Doctor Mephisto is a man who is as skillful and handsome as he is mysterious and terrifying. He can cure any illness, heal fatal injuries, transform lead to gold, summon vicious monsters to do his bidding and perhaps even...revive the dead!?

Tired of being timid, school girl Marie wishes she was bolder and more social. To her surprise, two angels appear in front of her. They introduce themselves as Ryofu Housen and her second in command, Chinkyu Koudai. The angels are from Sangoku Heaven where thousands of angels train and engage in war so that they can become king and live lavishly.
Chinkyu is known throughout the Sangoku Heaven as one of the most brilliant tacticians and with the raw power of Ryofu, they make an amazing combo. The two must obtain crystals that appear when a good deed is done for humanity in Marie’s world. Marie gets dragged into their quest under the most ridiculous of premises.

The main character is Dan-bi, the daughter of a Yakuza boss. One night, the father she loves more than anything is killed before her eyes. The killers blind her, making her father's death the last thing she sees with her own eyes. Her mother sends the wounded Dan-bi to Korea, where she has an eye transplant. From then on, Dan- bi is to be a good girl, live with her aunt, and stay out of trouble.

Dan-bi does her best, maneuvering between her aunt’s boy-crazy daughter and son, the Jjang. Things get complicated when her aunt's adopted son turns out to be connected to the mysterious boy who looked in on Dan-bi when she was in the hospital. This boy always looks so sad, and once he even asked for permission to kiss Dan-bi's eyes...

The peaceful lives of many are taken away as a freak meteor shower destroys the Kanto area of Japan. However, the lives of the victims aren't lost, as they start to awaken one by one into a strange pre-historic world. A girl named Kyoka awakens into this world, and is attacked by a monster, however she is saved by Shinma Shingo, another monster. She joins Shinma and his companion as they search to find a way back home.

Only the strongest can survive in the abyss. If you want to live, give me your body in exchange. Hey hey, why are you taking your clothes off! I meant that I want your loyalty!

As the Soviet Union marches on Berlin in May of 1945, a secretive group of sorcerers and madmen gathers to perform a terrible ritual. They care nothing for the fate of the Reich. To them, the countless lives lost in the battle are the perfect sacrifice to fuel their spell. After the war, they vanish and are not heard from again, except in rumor. One day, it is whispered, they will return. And on that day, the world will end. Fear the demons in human form. Fear the Longinus Dreizehn Orden.

Flash forward to present-day Japan. Fujii Ren is released from the hospital after two months spent recovering from wounds suffered in a vicious brawl with his best friend Shiro. As Christmas approaches, he tries to rebuild his life, clinging to what brilliance remains. But even that is soon threatened. For the knights of the LDO have returned, and brought the apocalypse to his doorstep. Forced to wield the same unholy power as his foes, will Ren be able to protect what is dear to him from the inhuman might of the Longinus Dreizehn Orden?

Manga about this

http://en.wikipedia.org/wiki/Little_Fighter_Online

and this

http://www.littlefighteronline.com/

maybe....?

http://www.lf-empire.de/en/lfe-v90/lf-empire