From Tokyopop: Shirou's ordinary life as a poor construction worker gets turned upside down when he comes across a naked girl, Lucy, who's fallen out of the sky! Her strange and unique personality entices him and he introduces her to his apartment buddies. But after leaving for just a few minutes, he returns to the apartment to find Lucy gone, all his friends slaughtered and an ogre-like stranger standing amidst the carnage. The big man suddenly pulls Shirou out of the apartment building just before it explodes! Shirou gets pushed down into the sewage system of the city and is saved by a mysterious man...
From Shoujo Crusade: Nanao was raised in a Navy-oriented environment, and hopes to graduate from NATS this year and go into a naval career. How will this turn out for her?
From Bliss: While trying to find a job, Manji, a for-hire bodyguard, also known as "Akainu (Red Dog)", meets Karu who works for "CARDS". Discovering that Karu's mission is to exterminate the deadly "TOYs", which mindlessly attack any living things, Manji can't help but forcefully tag along to relieve his boredom... Edit: Officially a Shoujo manga, though the artwork and action seems to differ.
Cynthia comes from a family of assassins. She acts as a part-time student who's BALD (she only appears that way), and she continously receives orders from the organization to assassinate people. The story opens with her and 2 friends going shopping for hair growth solution, when a new mission comes up. Her master, who taught her everything she knew 3 years back, was hired as the target's bodyguard. The two must fight, but what will the outcome be? Read on!
From MangaUpdates: Outcast... Accursed... Long ago when the gods dwelled in the mountains, the fief of Miyoshi is overrun and Princess Miyoshi flees to safety. But she is pursued by the Magatsuhi ("Devil's Masks"), powerful spirits who possess human bodies and foment rebellion and assassination. Then a mysterious girl, Kagachi, with strange powers appears to protect the princess. But could it be she's also one of them...?
Based on a popular light novel. from Baka-Updates Manga: The protagonist is a guy who is among the stupidest of the stupidest in the school. In this school, your grades can, under the supervision of teachers, take a virtual form to do combat! However, if you leave an examination half way, you get zero marks. A bright and cute girl, Mizuki Himeji, was having a high fever during the examination. Despite her potential to be the second highest scorer in the level, she obtained zero marks for having left due to her illness and is thus allocated to the worst class, class F. Grades mean almost everything. For Class A, they have a smart-looking teacher, a plasma TV as big as the entire wall as their blackboard, personal laptops, personal air-cons, refrigerators, adjustable seats and all kinds of different appliances. Within the refrigerator, there are all kinds of drinks and snacks. Their ceiling is made of glass, the wall lets them put up high-class drawings and plants. As for Class F, the worst class... They have Japanese desks and seat paddings. Their blackboard is dirty and there is no chalk even! Someone complains that the legs of his desk are broken, so the teacher asks, "Didn't we distribute some glue to stick wood together? Glue it back yourself later." Another one complains that wind is blowing in from the broken window. The teacher says, "I got it. I will apply for plastic bags and invisible glue to fix it later." There are spider webs everywhere, not a patch of the wall is clean. A unique moldy smell spreads across the entire room; it must be from the old tatamis used to tile the floor. This is the status of class F. The protagonist feels displeased at such an arrangement, and seeks help from his friends to try to make a change through summoning war!! And they devise all kinds of plans to try to beat the famous class A, intending to get class A's classroom and equipment if they win!!
Everyone in the world is born with two things: the ability to collect Life's Light and a Light Vessel in which to collect and hold it. Most people use their vessels to assist them in doing various tasks, but occasionally someone is born with a vessel that allows them to do battle. The protagonist, Ruyu, stumbles upon the end of a battle only to find one survivor. Could the young boy she saved be connected to the king's men who entered the town with the intent of killing everyone?
From Odd Squad Scanlations: In the Kalan empire exists a prophecy that foretells the destruction of the world. Their hope for salvation rests in a young prince--but only if he manages to attain the rank of Archmage. A cruel twist of fate has cursed the sole prince of Kalan at birth, rendering him incapable of controlling the power of his spells. While growing up the mischievous prince's fascination for magic got him into all sorts of trouble. Now on a quest to remove this damnable curse he's stumbled into a world of dragons, elves, and ancient magics. Destiny awaits? Can he fulfill his destiny with no weapons, no spells, and two servants who can never agree to disagree?
Young Akira has a destiny: He's a shiki tsukai, a warrior with the magical power to control the seasons. He also meets the beautiful Koyomi, another warrior, who is sworn to protect him. For there are evil forces intent on destroying Akira - and the entire universe!
A certain girl genius with more power than knowledge accidentally summoned dozens of students and teachers into a dangerous world filled with beasts and magic, but the protagonist isn’t a student or the homeroom teacher… it’s the janitor. At the time of their summoning, the students and teachers each gained a power formed from their soul, but not the janitor. As the janitor was about to be bestowed with a power that would protect him, his power was forcibly taken from him by an arrogant student. Having gone three years without a contract extension, he failed to get a job after having graduated from a third-rate university. Somehow he is still a contractor at 25 years old and was a janitor for 2 years, with a take-home monthly salary of less than ¥120,000. From a society that rejected him, he was thrust into a world that rejected him. And what janitor-san wished from the Goddess who took pity on him was…
From Baka-Updates: The Golden dragon has sent the legendary sword so that a hero may take hold of it and slay the Black dragon that is bound to come to destroy the world. Who could possibly become the hero of legend that is fated to have a fight of legend with the evil dragon of legend? As it turns out, Alfonso, the elder of the village, was the one chosen. And now, as the fated hero of legend, he must take forth on his quest of legend and find the Golden dragon of Legend so he may gain the powers of legend to defeat the Black dragon of legend. It's going to be a legendary adventure.
Neji wakes up only to find himself with white long hair. He died in 1992 and is revived again 2033. He and the girl he loved, Snow White, died in 1992, however only he managed to wake up with special powers. GERA is responsible for not letting the dead lie, and they even lied to Screw about helping the girl he loves. He destroys GERA and meets up with other people and those those in need, fighting against the people from GERA, claiming back his revenge. He soon is joined by his brother's grandson to seek out more adventures.