This is a spin-off of the series Night Wizard. It has completely different characters.

ryuunosuke changes into a female wizard when he senses monsters called Emulators

Olympic track star. MIT whiz-kid. Adored by the beautiful co-ed's. Revered by classmates and teammates alike. Yu was sitting on top of the world.
That is, until the evil seductress Payetta, leader of an outlaw gang of boozers and brawlers, kidnaps Yu at knifepoint and steals him away to her hideout. He learns he's actually the son of Gilgamesh, the legendary founder and ruler of the ancient yet highly advanced civilization of Agartha. The history lesson doesn't stop there, though. Payetta claims to be the granddaughter of Adolf Hitler and wants to share her maniacal dreams with Yu and the new dystopia she plans to create.

"Is our relationship really going to stay the same forever...?"
"Or everything we experience be just memories?"
"How will everything come into a conclusion?"
Together, they experience life,
laughter, heart-warming romance, action and drama...
The life they experience together now begins.

The once-sunken Battleship Yamato returns from its watery grave to wreak havoc across Japan.

It was tell in a legend, that the one who reaches the top of the world it could touch the sky, and in the moment that your fingers slides around the clouds, your deepest disires becomes real! It's following this legend that the young Ryori with the company of your loyal Dragon, they travel around the world of Nova Ventura in search for reach what anyone never could do, the top of Mont Sagarmatha, the top of the world.

Pokémon + Nobunaga's Ambition ~ Ranse's Color Picture Scroll ~ (Japanese: ポケモン＋ノブナガの野望 ～ランセ彩絵巻～) is a six chapter manga adaptation of Pokémon Conquest. It is illustrated by Nanatsumu Launch. Each chapter is hosted on Nico Nico Seiga.
- Bulbapedia

A manga adaption of the visual novel by the same name by Studio e.go!

Sucked into the underworld to fulfill the deeds of the Gods, Takeru soon finds himself at odds against the demons... and his best friend.

The city of Tokyo is split between two mafia groups: The Dragon Head and The King Caesar organization. Due to a certain incident, the protagonist JJ, a well-known professional assassin, is framed and thus abandons his title, going into hiding — but more problems come his way.

A boy with the power to create the strongest weapon meets a girl who must take his sword in her hands to save the world.

Imari Matoba looks to be an ordinary, physically-weak high-school student. But this quiet, nondescript girl is actually an assassin - a top gunfighter with unlimited potential who can take down several armed men at once...

A 16 year old boy, Hiroshi Kuzumi, has recently moved to a town in the mountains. The town is separated into new and old streets by the river, and many mysterious local cultures still remain.

Although he is sometimes confused, he enjoys his new life. One person kept her distance from him: class committee member Kushinada Nemura. In their few encounters she gave him a word of advice: "Stay away from the old streets."

Note: The title is a play on the words ookami (wolf or, with different kanji, an archaic honorific meaning god), and kamikakushi (spirited away, or hidden by a god).

Odd at War is a fantasy/action manga that follows the story of Kehl. A young boy who was introduced to the truth of the world he lives in, in the worst way possible. After being rescued by a mysterious figure while his village was being raided by mercenaries, he comes into contact with a whole new world. A world of violence and fear. As he discovers who is to blame for the death of his loved ones aswell as his way of living, Kehl sets his goal of revenge. However, not everything is as straight forward as it seems, as he'll learn that he possesses an unknown form of supernatural power that forms a link between him and those he despises the most.

A story about an Onmyouji who helps supress the evil inside a young samurai who is said to be the reincarnation of the legendary demon Shutendouji.

Diamond Cutter is a shonen action epic, half giant robots, half ninjitsu dodgeball! It's officially published on planetlandcomics.com, where you can read the whole series up to date! Read Left to Right. Contact Planet Land Comics if you're interested in translating Diamond Cutter.

Yuji is apprentice mage that's part of an adventuring party. One random day, while adventuring into a low level dungeon with his comrades, he comes across the legendary weapon created to defeat the Demon Lord, with the legend being that it only shows itself to the one destined to be the Hero, but there's a small problem...it's just way too heavy! How will he even be able to wield it and defeat his enemies?

Crossover one-shot between Mazinkaiser and Shin Getter Robo. It was included in Immortal Super Robot Encyclopedia (不滅のスーパー� ボット大全). The manga begins with the Mazinger Z and Great Mazinger fighting against an alien machine after the Diana A and Venus A have been taken down.

From Kawaii Scans: She is your stereotypical airhead school girl, with one exception, she has amnesia. She recently transferred into a new school where things work different, mainly magic. She is Mochiduki Tsubomi, and she doesn’t remember anything before she transferred. Enter yet another transfer student – the beautiful yet arrogant bishojo, Izayoi Yukiji. She’s after Tsubomi, but why? What does Yukiji want? What mystery does Tsubomi hold?

From Tokyopop:
The time is 972 A.D. in Kyoto, the capital of ancient Japan. Kyoto is becoming a corrupt and run-down city; selfish samurai and onmyoji, who care only about gaining political power are everywhere. To make matters worse the city is suffering from famine and widespread disease. Unable to ignore the condition of the city any longer, the Imperial Court decides to send Minamoto no Raiko, a famous samurai well-known for his archery skills, to recover a legendary gem, the Magatama, said to hold mysterious power to save the world. However Raiko also falls ill to disease. Instead his youngest sister, Hikaru, decides secretely to make the journey in his place. Hikaru meets many people, and has many adventures while on her trip for the legendary gem.

Serves as a prequel to the anime.

They're not just ordinary butlers! Of course they look after their Master and those around them, as well as do house chores, act as escorts, companions, and advisers… anything you ask! These people that go beyond the calling of a regular butler are called “Yamori”, protectors of the home.
Toto, a Yamori in training, is currently studying at various noble houses, but the trouble never seems to stop! Through his job as a Yamori, Toto gets to see first hand the political, racial, and class tensions throughout his homeland of Mertole as he becomes involved with a scandal concerning the royal family.