From Yen Press:
Ryouta Sakamoto is one of the top-ranked players of BTOOOM!, an online battle game. But no amount of simulated warfare could have prepared him for what is to come… Ryouta wakes one evening to find himself dangling from a tree by a parachute with no recollection of how he got there. Before he can orient himself to his unfamiliar surroundings, Ryouta is attacked. As a barrage of explosives rain down on him, Ryouta realizes that he too has a pack of bombs…bombs that look very similar to the ones used in BTOOOM! Ryouta may have mastered the online game, but can he come out on top in this real-life game of survival?

The ancient civilization fell and was sealed away, Humans found a mysterious stone tablet and a man that slept for eternities, through researches, they released the 100% virtual world, the federation governments expand across the globe, millions of people immersed within. while the Main Protagonist was entering the virtual world, his gender changed and became a woman, starting a series of bone-chilling adventures. Reality is entangled within Virtual reality, moving the world towards an unknown direction......

An up-and-coming genius throws down his gauntlet! Frenetic & violent SF buddy action!

Meet the high school girl duo Line and Ann! Their job is to crack down on evil illegal aliens living on Earth, as agents of the Planetary Immigration Bureau!

High school girls X aliens X shootouts! Get your dose of violent sci-fi buddy action right here!

The mysterious game “Heart of the Girl.” A game where in the real world, girls are rated by their ‘rarity’. Will Nozomi be able to clear her former best friend, Kakoi? Find out in this heart-racing story of love and skirt-chasing!

The man forsaken by the world, the man a slave to money and the man known as the legendary God of War in the highly popular MMORPG Continent of Magic. With the coming of age, he decides to say goodbye, but the feeble attempt to earn a little something for his time and effort ripples into an effect none could ever have imagined. Through a series of coincidences, his legendary avatar is sold for 3 billion 90 million won ($2.7 million), bringing great joy to him, only to plunge him into despair at losing almost all of it to vicious loan sharks. With revelation of money through gaming, he rises from the abyss with new found resolve and steps forward into the new age of games led by the first ever Virtual Reality MMORPG, Royal Road.
This is the legend of Lee Hyun on his path to becoming Emperor with only his family loving heart, his boundless desire for money, his unexpected mind, his diligently forged body and the talent of hard work backing him.
This is the legend of the lowest becoming the strongest. This is the legend of WEED.

The manga focuses on a certain unnamed character who appears throughout the story of A Certain Scientific Railgun and A Certain Magical Index, and whose name is revealed in this story set at Tokiwadai Middle School.

Okushida Haruru finally gathers the courage to confess to her crush, Hakozaki-kun. But, the moment after, she blacks out. She wakes up in a pilot suit in a cockpit inside Hakozaki-kun's head. What will Haruru do now?

Tsubaki, who places an importance of "being cute", picks up a strange fluffy creature and brings it home with her. She brings it into the bath with and it transformed into a naked boy?!

What is going on?

Is Tsubaki going to live with "Fuwa" (as in Fluffy) the alien boy??!!

In the future, Utopia has finally been achieved thanks to medical nanotechnology and a powerful ethic of social welfare and mutual consideration. This perfect world isn't that perfect though, and three young girls stand up to totalitarian kindness and super-medicine by attempting suicide via starvation. It doesn't work, but one of the girls—Tuan Kirie—grows up to be a member of the World Health Organization. As a crisis threatens the harmony of the new world, Tuan rediscovers another member of her suicide pact, and together they must help save the planet...from itself.

From Tokyopop: Daughter of a brilliant professor, Asuna is a below-average student at Ecole du Ciel, where teachers and other students constantly belittle her. However, with the world spiraling toward war, Asuna's headed for a crash course in danger and love, as everyone prepares for combat...

"I'm jealous of you..."

A girl from a robot club in a wheelchair, Futagami Yui, looks up to heroes and wants to create one, so she enlists the help of an underclassman, the talented AI architect Kazumiya Reina, to build an android together. When it's almost finished and only the AI needs to be sorted out, someone kidnaps Reina. Yui curses her inability to do anything because of her legs and resolves to perform an illegal "mind copy" to save her junior...

This is the log of adolescence of girls living in a world where humans and androids coexist.

In the future, Earth has become so polluted that humanity is forced to live in enclosed shelters. In Japan, the shelters are divided between the "inside", which caters to the country's lucrative anime industry, and the "outside", where most people work to support the people working on the "inside". S-zawa is one such "outside" worker whose job involves sending messages into space. One day, he's approached by the ailing embodiment of Earth to send a message before she collapses. Shortly after the message is sent, other girls similar to Earth start showing up at S-zawa's workplace in an effort to help Earth, but he has a thing or two to learn about what the planets and their moons are really like.

Witness the origin of Mega Man, his first battles with Dr. Wily and the evil Robot Masters, plus appearances from Dr. Light, Roll, Proto Man, Rush, and many more Mega Man favorites!

The manga tells the strange tale of cigarettes in robotic human female form who expel tobacco from their kisses, much like regular cigarettes would.
The male main character, who has never kissed anyone before, slowly adjusts his life around his new cigarette girl and newfound "addiction".

Technology leads to a continuous evolution of violence; this age of chaos gave birth to heroes.

In a not-too-distant future Japan, Akira, a high school student, has an uncertain future and begins to give up on his dream of studying robotics in college. Meanwhile, Tom Rock, CEO of the global robotics company Rock, Inc., is trying to put into place plans he's had in preparation for years. The fighter "Automaton" was developed to bring salvation to a world that has started to go crazy! The two of them meeting is the beginning of this story!

In the 27th year of an alternate Meiji era (where the kanji used for "Meiji" mean "maze"). A self-proclaimed samurai named Naguri travels from the countryside to the capital Asakusa to achieve his dream, and he moves into a share house. In Asakusa spirits, samurai, and technology coexist.

Kayano Meguru has a bit of a brother complex. Her love for her brother is so strong that she has removed the idea of any romance with any other male other than her brother from her mind.

One day she passes out and awakens 2 years in the future! To make things even more confusing for her, she is dating someone other than her beloved brother!

Follows the daily life of a professor and a robot girl in a post-apocalyptic setting.

From MangaHelpers:
In the near future, aliens from Bluto “invade” the Earth. But what is their objective? To steal all of the timed sale groceries at rush hour and make perverted havoc among the citizens. Not the kind of aliens you would find every day. To counteract this “terrifying” enemy, a special force of heroes, “The First Star Heroes,” has been sent out wearing dynamic colors. But, out of the five heroes, two of them have a secret. Momose Kaname, a 14 year old boy who has idolized these heroes, is transformed into the team’s Pink Hero and now has to hide his identity. And “he” finds out that the Red Hero of the team is actually a girl who has experienced the same gender-bending transformation as Kaname. What will happen to these Heroes, especially Kaname, as they face all kinds of odds during their “heroic” days?

From Decadent Descent Scans:

Since he was young, Chiwa has been dreaming of returning to the Underground. He finally succeeded by joining the Special Forces unit of the police.

"Great Raven" is made up of mostly Enhanced Humans who have unique abilities. Their mission is to track down members of the crime syndicate, Joker, and stop it from kidnapping and altering children's bodies. But Chiwa is completely unprepared for the things he finds in the Underground.