From Mangahelper :

Humanity is on the brink of extinction as a flower known as “Viscar” infects humans and animals, turning them into mindless hosts that feed on others. If you get bitten by the infected, or inhale the pollen that emits from their bodies, the flower will plant itself into your brain. Humanity is fighting a losing battle against this world-wide pandemic, and most people have given up hope.

Volt was once part of the army and had been assigned to be the guard of Dr. Kisling, the scientist leading the development of a vaccine to fight against the Viscar. From an unfortunate accident, one of the contained Viscar pollen escaped, infecting Dr. Kisling. Dr. Kisling’s final wish to Volt was to find his daughter Lilith, and, with her help, continue the development of the vaccine. Lilith and Volt now venture into the post-apocalyptic world to bring back hope to humanity.

The head of the ninja serving the Sanada house during the Battle of Nagashino Sarutobi Sasuke has been entrusted with an unpleasant task. He is the guard for Sanada Masayuki's second son Sanada Yukimura. Yukimura is a selfish conceited and insolent child and Sasuke despises him from the start. But as they spend time together and Sasuke foils various assassination attempts the two of them may find themselves becoming unexpected friends...

Meet Shooto. He's a big hero fan and wants to become a hero! The problem is that he's mocked for being too short. One day, his classmate Mizushima invites him to become a "hero" at her home which is actually a criminal organization called Jackal.

Shooto then gets tricked by Jackal's leader Crea to become their supervillian, Ratman! Now the world's smallest hero will embark on his battle against heroes and villains alike!

The number of friends which Asao Ran has is 0. While she is trying to change herself, things do not go so smoothly. Within these days, a certain meeting slowly bring about changes.... From the author of the popular webcomic 'Hori-san to Miyamura-kun', HERO, comes a brand new heart-pounding youth love comedy!

From MyPersonal-scan:
From his late grandfather Viscount Disward, Huey has inherited The Mystical Library of Dantalian, a collection of powerful Mystical Books demonic and supernatural. Together with the dark and mysterious Dariane, they pursue Mystical Books scattered across England. Their adventure begins here.

Many people in this world possess commonplace magical abilities. These are usually things that make their lives a bit more convenient - such as the ability to make a small flame, or to heal slightly more quickly than usual.

But the brilliant young lord of Seeker Castle has a little sister with incredibly destructive magical powers, which he uses to kill anyone who threatens his territory. Also living with the lord and his sister is a boy whose powers are still a mystery. Thus unfolds the story of their intertwined destinies...

The story follows the high-school delinquent Masaya Funebashi, better known as "Devil Ma-kun" who is trying to reform his image by joining the tea ceremony club.

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Isei’s life crumbled right before his eyes as the one he fell in love with died. But when everything seems dark in his life something happens...

From OSTNT:

Geli Shijie (Segregated World); A virtual reality game where only those who are chosen can play. In order to prevent more players from entering the Segregated World, three hackers of the Hackers Alliance G attempted to steal the Odin Core to destroy the server.

While trying to protect the two goddesses, Xiao Chang Feng was heavily injured, on the verge of life and death, he was then fused with the Core, unleashing the power of the Core, Xiao Chang Feng....

The souls of the Hakkenshi are reincarnated in the present. Inuzuka Shino is a high school student who shares the name of the legendary Hakkenshi, "Devotion". The name has caused him nothing but stress all his life. Now, because of his name, he's gotten himself wrapped up in a conflict with the Blight, creatures from a giant hole that has suddenly emerged in the city.

From DrCoke at MangaHelpers:
Sayuri is a normal school girl during the day, but transforms into the Magical Sayu when evils shows its face. Lili is a trained and professional witch who has come to Japan on a mission to eradicate the evil forces that lie within the land. These two happen to end up in the same classroom in the same school. This haphazard witch duo sets out to free the world from various evil forces...

A cataclysm has destroyed the cities and empires of men and disfigured the spirit of humanity. In this nightmare, it falls to him to descend a mysterious tower in search of absolution. Is the angel correct that he is responsible for the destruction of the world, and what can he do in this monster infested world to redeem himself?

Based on the Saturn/PSX/PS2/Wii game Baroque.

Zhong Kui, in traditional Chinese culture he was a god who was skilled at dispelling ghosts and other evils. He was born with a fierce and atrocious face. While he was quite ugly, he was also brilliant, outspoken, and tenacious. This story is not entirely based on tradition. It folows Zhong Kui through a fantasy world of ying and yang.

A parody of the manga Naruto written by one of Kishimoto's assistants. Rock Lee no Seishun Full-Power Ninden (Rock Lee's Springtime of Youth) focuses on the strange antics of Team Guy as they work on becoming great ninjas, a job which often requires saving Lee from himself!

From Manga Box:

The year is Meiji 17, 1884. The place, Tokyo. Genemon Sakuragi is searching for a "man of valor" according to his master’s order! One night, Genemon spots a mysterious young man fighting with three ruffians! Genemon is captivated by the Mysterious Punches of the young man, named Fuutaro Yukimura. What is this “martial art” that Fuutaro Yukimura uses so freely?! And what of the exhibition match that Marquis Tenzen Shibahara wishes to hold….?! What is the strongest weaponless martial art of Meiji Era Tokyo?! The curtain now rises on the martial arts conflict of the age…!!

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Nanri Ryusuke has transferred schools three times this year because of his parents’ divorce and he is determined to make a good impression at this new school because it appears that he's staying for good this time. However, his seat is in front of the weird girl in the class, Fujimori Miya, who claims she is a witch and who everyone in the school avoids. Miya, for some odd reason, takes a creepy interest in Ryusuke and makes him the subject of all her crazy experiments and spells.

The series is on hiatus since late 2012 due to the author's health issues.

Josh is a 15 years old Bully who have been expelled from his highschool for hitting a student who threatened another student. Thereby he was thrown out of the house by his mom. Now he's trying to get into a federal agency named The SCB.