This manga is set in the Western Xia state at the beginning of the 13th century, when there were violent, ongoing incursions by the Mongol army. Guided by Suzuki, a student who has transferred from another school, a present-day boy called Sudo, a high school student who has been plagued by a vivid dream of a battlefield, is reborn as Shutohel, a female warrior for the Western Xia army, who has lived for vengeance on the Mongols, and travels to the battlefield. At the same time, the Mongol prince Yurul defies his own army, which is trying to destroy the Western Xia script, and makes plans to protect a collection of Western Xia writings. This is an epic, long-form action manga featuring elaborate, dynamic depictions of combat and the enigma of an ancient script.
Note: Won the 16th Tezuka Osamu Cultural Prize's New Artist Prize in 2012.

"Gisèle Alain will provide you with any service, Madame," Gisèle claims as she puts a sign on her door. Gisèle Alain is the owner of an apartment and decides to take on whatever request that she receives. She forces Eric, a resident of the apartment with overdue rent, to tag along with her service. Their first mission is to find a cat that another resident has lost and claims to have been missing for 3 days. Upon further investigation, they find a suspicious man taking away cats to an unknown alley. Gisèle decides to investigate further and finds out who the man is without any trouble. An amusing yet calm service providing you with anything you want; at your service by Gisèle Alain!

Nakamura Kouta is a freshman in high school who dislikes girls. One day he is visited by his childhood friend Karen, with whom he lost contact over time. Karen is a tomboyish girl, who refers to herself as "Boku" (a first person pronoun usually used by males). She asks him to help her become more feminine to win the affection of Itsuki-san, a colleague at her part-time job. Even though he is reluctant at first, he more or less voluntarily agrees to help her out in the end. But making a lady out of the clumsy Karen with nothing but his extensive galge experience as reference proves more difficult than he could imagine.

From Easy Going Scans:

The Great Shang dynasty has been in power for many years, but the Gods have found fault with the new emperor. Instead of submitting to their will at the expense of his people, the emperor resolves to throw off the Gods' yoke and free humanity. However, this means not only will he face the Gods, but also a rival, the young Zhou—who submits to the Gods' will for nothing but his own purposes!

The fate of the dynasty, nay, the fate of all humanity will be determined by this great battle between the forces of Heaven and Earth!

A group of high-school students had an accident on their way to a trip and died but they find themselves in a classroom with a black sphere.

School life never fails to be an alluring theme to the reader. Even more so if there’s romance involved. Musunde Hiraite chooses to take a quite innovative path in the description of high school romance, as it doesn't simply focus on a single character’s pubescent worries, but rather has a school-wide purview.

In 2016 a meltdown of a nuclear power plant creates a big catastrophe in Tokyo. 20 years later, the city has become a ghost town due to the high levels of radiation. From that area a distress signal is received, the Self-Defense Forces dispatch three girls from the special unit Coppelion to search for survivors. But why aren't they wearing any protection against radiation?

Kagefumi Merry takes place before the events of Yumekui Merry, and follows the adventures of a slightly different Merry than we are familiar with.

By day, Ha-Rin is a sculptor and teacher. By night, she turns into the serial killer Sow who, along with her protege Soon-Hee, uses a chat app to ensnare men with sex. After the deed is done, the men are kidnapped and tortured to death, punishment for being adulterers or for using women as if they're objects. But Detective Kim and his team are on these murderers' trails - will the duo's reign of terror be stopped?

Hououji Yuu is a high school closet otaku, and is also the sole heir of the very rich Hououji family. She needs to keep her hobbies secret from others because that would end up ruining her family name. Because of that, she has always kept her distance from maids. Until one day, she meets her personal maid Masaki, who happens to be her favourite doujinshi artist!

Struggling manga author Satoru Fujinuma is beset by his fear to express himself. However, he has a supernatural talent of "noticing things" that forces him to help people.

Boku dake ga Inai Machi Gaiden

The Freezing Pair Love Stories manga tells the story of how the various Pandoras and Limiters met. The first chapter focuses on the characters Ganessa Roland and Arthur Crypton.

Nostradamus prophesied that the world would end in the seventh month of 1999. Today is July 21st, 1999. Ever since she was little, Maruyama Sakura has put her faith in this prophecy, has believed she will die at age 19. Consequently, nothing has seemed all that important to her. As the final days of her final month tick down, Sakura is whiling away the last of her time. Then Sakura meets Mori. Sakura has ten days until the end of the world.

I love math. Just after the high-school entrance ceremony, I meet a beautiful girl: Milka. Milka is a mathematical genius. She shows me many math and many elegant solutions. Milka and I spend a long time discussing math in the school library.

One year later, I meet another mathematical girl: Tetra. Tetra is one year younger than me, and asks me to teach her math. While I teach her, she begins to understand math and gradually to love its elegance.

The third series is about logic puzzles, Peano arithmetic, epsilon-delta, Cantor's diagonal argument, Hilbert's program and Gödel's Incompleteness Theorems.

The story revolves around Tsunashi, the child of royalty who was left behind in the lost kingdom of Karan. He is expected by those around him to awaken his great powers that sleep within him in order to revive the kingdom — but rather than fighting, Tsunan enjoys playing in the world of books. However, he must become serious soon, as a new army is threatening to invade Karan.

Inuyashiki has a family, a wife and two kids, none of which care about him. When he learns that he has only three months to live he realizes that the only one who will miss him is his dog. Shortly after this realization he is killed in a crash landing by aliens. He is rebuilt by them as a machine with a human exterior. How will his life change now that he isn't human.

Marriage is in shambles. But still their pride stops them from seeking each other. Thats when both drift out to get the taste of some 'Drugcandy' (adultery). A tale of two people exploring out of their relationship.

Jang-Mi and Taebong's long-time friendship is put to the test after they both sleep together for one night. Is this love or just sex? Read H-mate ( Hメイト, H메이트) by Turtle Feet now!!

Maybe you'll like: 
+ Brawling Go Manga
+ Skill of Lure
+ Sweet Guy
+ H Campus
+ Yahalue
+ A World That I Rule

Mizuki gets confessed to by a boy in front of a special Mirror. Legend has it, that if you confess to someone you like in front of that mirror your wish comes true.
There is a slight Problem in this Equation: Mizuki is just a very feminine looking boy.
Also it seems that he caught the Attention of the Norse Trickster God Loki while glancing into the Mirror. Loki decides out of boredom to mess with Mizuki and turns him into a real Girl.

From MangaHelpers:

Shou lives out in the country. He has a big crush on his childhood friend Sora, but is afraid that she thinks of him only as a little brother. One day, Sora announces that she was abducted by aliens. Later that day, Shou confesses his feelings for her and she dies shortly afterward. Shou is still in shock from her loss, when an alien girl named Lila comes down from the sky. She has a disk that contains a brain scan of Sora, and she can run Sora's personality in her own body. She also wants to have a child with him. Will Shou be able to cope with all of these sudden changes, and will he be able to keep Sora with him after all?