From Yen Press:

Rescued from the darkness by Xeno, a mysterious swordsman, Claudia the Rose Witch is the foundation of the Crimson-Shell, a special division of the Red Rose—an organization aiming to capture the results of one mad scientist’s experiments, the deadly Black Roses. But when Xeno’s loyalties are called into question, will Claudia be strong enough to believe in her dearest friend? And what is the color of the rose blooming in Xeno’s heart—a deep, passionate crimson…or a traitorous jet-black?

From Manga-Heaven:
Long ago, a devil traversed the world leaving nothing but death in his wake. Eventually the demon was slain by the 10 gods who created the world. As the people began to worship the gods, the gods created 10 swords infused with their power to protect the world from evil and peace dawned upon the world once more...
Mirim is a member of the 10 Pillars Sword Guild and one of its elite earning the title of Crimson and the right to wield one of the swords forged by the Gods. Her companion, Ash Grave, is the devil of legend. Why is a swordswoman with divine power to protect the world paired with the demon that is said to be destroying it? Perhaps there is more to this legend than meets the eye...

The people of Earth live in a society where vampires aren’t just real but dangerous. Although humanity has been able to keep them under control and even take the night away as the vampire’s natural habitat, some of them have adapted. Hesperides, a relatively new breed of vampires, have adapted over hundreds of years in order to be able to go outside during dusk when the sunlight is at its weakest and feast on humans. Aburaya Shiro, a high school kid, lives in a town where there has not been a vampire attack in years, but adults keep warning them of going outside at dusk. Shiro and his classmates take this warning lightly and head out at dusk only to find out one of their classmates who they thought they knew well turnz out to be a Hesperides. With all his classmates violently murdered, the only way Shiro was able to survive was with the help of a different classmate, Ichijoji Eruka, who doesn’t seem to be human herself.

Nemu is back home.
What's gonna happen with Junichi's life after this reunion with his sister?
"Da Capo" in Italian means "From the beginning"... then will we see the end to this romance?

His name is Tokijirou Kaizou, a brilliant scientist who has decided to spend his waning years taking things much easier: caring for his family, farming on his own plot of land... and transforming himself into a 2000-horsepower cyborg!?

Often makes a cameo appearance in the artist's various works including Hikaru no Go.

Tinos is the farthest colony planet from Earth. There lives a generation of people who have corrupted the dreams of the founders from 300 years ago. However, a new man will change it all...

Golf.. A sport where the prizes are really large. Meet Tadamichi Aoba also called Dandoh. A normal kid who's still in elementary school, he also really likes baseball. But because of a clash with his principal over golf, Dandoh switches to golf when he hears that he can earn about 30 million yen if he can win a tournament. When he was young, Dandoh lost his mother due to money problems. This is why Dandoh really wants to play golf, so he can bring his mother back. Under the guidance of a famous ex golfer, Dandoh aims for one thing !! To master golf and win a championship so that he can bring his mother back !!

New cop Asuku finds himself assigned to a special unit of inhuman police agents, tracking down similarly inhuman targets. Only time will tell which will kill Asuku first, a rogue criminal... or his partner.

With its long-awaited freshman/student athletes aboard, Mizuho High's basketball team practices with a hope to play in the national tournaments. In the prefectural preliminary games, the young athletes compete with their rivals at Shonandai-Sagami, Honmoku-Higashi and Yokohama Gakuen Highs. Will Mizuho compete in the national tournaments and once again confront Narita-Chuo and Meiwadai-Hitachi Highs? And finally how will the players fare in a game against the high school basketball champion team at Tendoji? The struggles of the newly reborn Mizuho basketball team to become the national champion begin!

Won the 31st Kodansha Manga Award for shounen in 2007 (shared with Sayonara Zetsubou-Sensei).

When a person who under goes extreme depression/anxiety, loses control, a person will become a demon consumed by darkness. Luckily there are those devoted to hunting those demons.
Boy meets monster while taking shortcut home from school, is rescued by a girl with a gun. Monster gets away. Later on, girl makes contract with boy and uses his soul energy to make a big gun and kill the monster.

The 13th year of the Tenshou Era (1573.7.28 - 1592.12.8), young "One-Eyed Dragon" Date Masamune is the head of the powerful Date family. Masamune is very vain, self-centered, and reckless, and has started attacking and conquering all of the regions around his lands. The purpose of his campaign appears to be the acquisition of the treasures these nations possess. Katakura Kojuro, his trusted retainer and friend, does his best to keep Masamune from getting himself killed by his rash and dangerous plans.

April 10th. Yesterday was the last day of spring vacation, so starting this morning it was a school day. After being woken up by his cute little sister, Itsuka Shidou believed that it would be the start of another normal day. As for predicting the chance meeting with the girl who called herself a spirit...... Along with a sudden shockwave, the townscape vanished without a trace. In a corner of the street which had now become a crater, the girl was there. "�”You, have you come to kill me too?" She is the disaster that will destroy humanity, a monster of unknown origin, and a being rejected by the world. There are only two ways to stop this girl: annihilation, and conversation. His little sister Kotori, wrapped in a military uniform, thus said to Shidou: "Since it's like this, just go date her, and make the spirit fall for you!" "Wh.. whaaaaaaaat!?" Enter a new age of boy meets girl!!

The lord of darkness has decided to wake up the Dragon God that will give him the necessary power to dominate the world. But the Dragon God doesn't like his intentions and decides to entrust the mission to find the element that will revive him to the human who holds his soul.

Sequel(?): 팔용신전설 Plus

N/A

Ninomae Iko, has lived in a house of only her dad and brothers, who all practice kendo. Looking to become a little more girly, she transferred to an all girls' school. Here, rumor has it, a magical cup filled with red wine will grant any wish if your blood is dropped into it.

Note: Plenty of pantsu moments.

Monsters descended upon the humans all of a sudden, monsters that can't be detected by most, unless they have a strong sense. An invisible predator, it feasts on humans to grow in strength and powers. 4 Death Gods are chosen to destroy these monsters and to seal the "sink" hiding the monsters fast.

In the midst of a terrorist attack that kills all his classmates,Tohru Kuroe knows the chances of seeing yet another woman die makes Tohru pick up an abandoned gun - The beast awakens; taking over. When Tohru comes to his senses, he finds he is now a killer. Finding out he was genetically engineered to be a killer, his codename is D-17, Tohru continues his 'normal' life amidst challengers threatening his life and those around him.

From Horobi no Michi:

Clockworkers- mechanical men, created during the war as a weapon to kill as many as possible. That war may be long over, but rogue Clockworkers are still roaming about, spreading fear and death wherever they go.

Machina's a member of the CWA, an organization dedicated to the destruction of these rogue robots.

Along with Deus, her Clockworker partner, she travels the country in pursuit of these dangerous robots...

A pirate ship that cannot be sunk led by a dying Captain who will not give up. His final wish before he dies is to find the legendary Devil's Eye. And who does he appoint to lead his fearless crew in search of the lost treasure, but Olivia Soldana, a brash 16-year-old girl who can outdo any man.

Kenichi is a high school guy who wakes up in a magical land. Together with a fairy and a swordsman, he must recover two magical items to save the magical world as well as his own.

note: The manga has been reprinted in a normal tankoubon size with only Akiyama Tamayo noted as author.