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.

From Must Be Endless:

Up until now it’s always been cute girls laughing by my side. But now, sleeping next to me, full of faults, smelling of tobacco, a lascivious man. But he’s the cutest of them all...

(Continuation of Shuuna and Hayashida's story. First chapter timeline is paralel with Renai-rubi no Tadashii Furikata, but told from Shuuna's POV)

The war on terror exploded, literally, the day Sarajevo was destroyed by a homemade nuclear device. The leading democracies transformed into total surveillance states, and the developing world has drowned under a wave of genocides. The mysterious American John Paul seems to be behind the collapse of the world system, and it's up to intelligence agent Clavis Shepherd to track John Paul across the wreckage of civilizations and to find the true heart of darkness—a genocidal organ.

Misa Nanase is a normal senior high school student except for the fact that she is a self-proclaimed ultimate-mega-ultra-omnipotent fujoshi queen of the intergalactic multiverse. One fateful day, she saves an old lady from getting hit by a car. In return, the old lady gives her an ocean green pendant and mentions that she can make any wish using it. Later on, the curiosity of the fujoshi gets the best of Misa...and she wishes to become a guy! How will Misa survive and navigate the world as a guy? Will she finally be able to do a live action BL that she has once fantasized?

From Wildflower Scans:

Tomaru Harukaze is extremely shy and terrible with any kind of social interaction. His worried mother sends him to live with his grandparents in the countryside—born and raised in Tokyo, Harukaze worries he'll have trouble adjusting, but that's not the worst part: he will be starting a part-time job at Restaurant Bell, where his grandmother is a regular customer! Not only will he have to learn to interact with customers, but he'll also have to learn to get along with his quirky coworkers.

A powerful grand wizard named, “Raim” reappears after a millennium because of a failed experiment. While sets out to regain his lost tower, he meets “are” and “ere” who have been trafficked as slaves... a combination of a weird grand magician who only uses his wits to make money and the cute, lovable brother and sister of the miao tribe! Their endless adventure is beginning to unfold. Editorial staff’s comment Will Raim be able to regain his lost tower?! 

Manhwa you may like:
+ This is another ambitious work of Sung San Young, The Gamer
+ Tower of God
+ The God of High School

The story follows a young artist with the ability to see the supernatural as he struggles to come out of his mother's shadow and paint as he sees fit.

Brainwashing is now a popular activity in corporate circles. Contracted by large companies, professional Washers hack into the brains of new employees and instil loyalty and drive.

This surge of brainwashing soon gives rise to Deprogrammers: elite Washers who are capable of not only undoing brainwashing but also breaking down the human mind. But as the Washers begin to fear the Deprogrammers and seek to control them, a fierce struggle breaks out...

It's in this world of mind games, trickery, and deceit, that a man is found unconscious by the side of the road, his mind crashed by Washers. Who is this man, who crashed him, and why? Reality and mindscape blur as the answers slowly come to light.

Ninjo and Soso are two galactic ninja agents , they arrive to Real City looking for a lost agent, but there nothing is what it seems

Right after the spiritually sensitive Takasago Daidai enters high school, he’s haunted by the mysterious ghost Sakuma Jun. They’ll solve the mysteries of the school and get Takasago his untroubled school life back!

Several Rozen Maidens awake during the Taisho Era, while the remains of their prototype, the "zeroth" doll, begin to cause problems which even could destroy Tokyo.

Original Webcomic

Leaving behind his throne, his wealth, and his women. The Demon King now disguises himself and start raising heroes in his pen?! He even formed a party to level up "newbies"! Aren't this suppose to be the war between Good and Evil?! Caesar mockingly answers: "Rules? I create the rules!"

I want to continue to hold sister could not bear. Lost memories and H Love Love Life.

From MangaHelpers:

Nagumo Yumi is an idiotic high school girl, whose post-graduation plan is to go to the US and become president. To her high school friends' amazement, she actually manages to make it to the US during summer vacation. After befriending some elderly veterans, she becomes convinced that joining the Marine Corps is the best way to move her dream forward. The waitress Linda Crawford joins her to sign up at the recruitment center, and she also meets friends among the new recruits, Rita Fernandez and Donna King. Will they have what it takes to become a Marine? [tethysdust]

The moment you fall in love, should that be considered as real love? I mean, all it is, really, is self satisfaction, isn't it? You aren't thinking about the other person's happiness, but rather, all you're thinking about is, "As long as I feel good, it's fine." To purge that sort of love, Terris plans to interfere between couples as much as possible, and then sever their ties.

In 13th century, Mongol led by Genghis Khan, rapidly expanded its territory. Goryeo (Ancient Korea) was no exception from its claws.

One of early clashes between Mongolian army and Goryeo army saw a resounding defeat for Goryeo, and in that defeat, a defeated general, who survived, walked into a forest at night to die and met a kumiho (9 tailed fox)...

Tsukumo Sayo made a promise with a child demon when she was 5 years old. Now, 10 years later, that demon is tired of waiting her and suddenly he appears in front of Sayo to fullfil that promise? "I'll definitely make you fall in love with me". Well now, which side will fall first?