In Giant Killing a ragtag bunch from East Tokyo are struggling in Japan's top football league. The team is going through an abysmal spell right now where they are nearing the bottom of the table and have lost 5 matches in a row. The losses haven't done much to team morale, because it was already low. Fan support, on the other hand, is looking bleak. In the world of football, once the fans turn on a team the end is near. Teams don't recover. Coaches are fired, players are sold, and teams drop to lower divisions where profits often prevent them from ever being successful against even mediocre top division teams. East Tokyo United, ETU, can only blame their coach right now. And Coach is ready to give up this next game to prove to his team and fans, that against the biggest club in the nation he can make this team win.

Note: Won the 34th Annual Kodansha Manga Award (2010) in the General category.

The long-term public service exam candidate, Minseo, finds himself trapped in the game, “Raising Lena” as he tries to escape his grim reality. In the game, Minseo becomes a character named Leo, and he must navigate through a world with three different scenarios to accomplish his mission of turning the protagonist, Lena, into a princess. However, the game “Raising Lena” boasts an overwhelming level of difficulty due to enemies who are set to thwart Minseo with their immense power and influence. Will Minseo be able to complete the game by making Lena a princess and return to reality?

A freelance designer loves to relax from work through gardening on his balcony. There he starts talking to his new neighbor next door over the wall without knowing her face.

Nanoha and Chidori are best friends. They're also dating, but it's a secret, so don't tell anyone!

Controlling the Queendom of Sevek’s female prison with the Power of the Kraken!

From the author of Akame ga Kill and Mato Seihei no Slave!

The manga's story begins when a peasant named Hanbē asks a girl named O-haru for her hand in marriage, but O-haru confesses that she is already thinking of another man named Masakichi from a neighboring village. When Hanbē seeks out Masakichi, he finds that Masakichi possesses a sword and the skills to use it, despite being a peasant.

"Why don't the two of us date...? In secret"

Tateishi, who works in accounting at a snack making company, has a secret. That secret is the existence of his cute lover that he's had since yesterday. Why keep it a secret, you ask? Because his lover is his unyielding colleague from the planning department of the same company— Mitsuya!

A pure office romance story about a couple who started their relationship in secret, and want to keep it that way!

This is a story of Ikuma and Sumika, two childhood friends who recently got married and started a brand new life together. At first sight, they seem like a happy couple with nothing to worry about, there is one problem: they have trouble having sex together. With both of them having zero prior experience, this awkward couple tries their best(?) to figure out together how to do it for the first time.

To repair the singularity of the future, the main character, Ryuka Fujimaru, will shift again to lay down a tremendous battle. Kengoro Nishide of "Umehara FIGHTING GAMERS!" Breathes new life into "FGO".

Fuyuki is a beautiful and cool gal! But there's a secret side of her that she only shows in front of her husband...? A cute love comedy with a gal wife!

A fantasy story about Kiska, a boy who is mistreated by the villagers. He manages to survive thanks to his childhood friend Namia, who was the only one by his side. One day, Namia is murdered by three men, and Kiska is accused of the crime and banished to an inescapable class S dungeon. However, he finds himself in a different world where he can use "Save and Reset" to get back on his feet no matter how many times he dies. The story is about Kiska's quest for revenge against those who wronged him and his friend

Six members of the occult circle will spend a few days at a ruined love hotel during their summer vacation. Upon arrival they meet two additional people who join them, but in the morning of the second day, a female member was found tied & naked. In addition, the exit was locked by someone and the building became a completely enclosed cage. Will this be a repeat of the 'kodoku' that happened 3 years ago?

Having graduated from the prestigious Witchcraft Institute at the top of his class, no job is out of reach for William Glenford. But William dreams of only one thing: adventures.

Jirou, a third-year in high school, is forced to live with a gyaru named Akari under a course called the "Couple Practical". In order to be paired with their own romantic interests, they're going to act as a married couple...!?

Kazama Kenji likes to believe he is something of a delinquent. Moreover, others seem to like to agree that he is. Of course, Kenji's gang finds their way to a group of four not-so-normal girls - Chitose, Sakura, Minami and Roka - and all at once, whatever reputation he may have, is nothing compared to the outrageous behavior of the girls. Shanghaied into joining their club, what will happen to his everyday life from that point on?

Some 20 years have passed since the protagonist was summoned to another world and retired from the army. He is still single in his 40s and lives as a low-ranking professor, until one day, an elite 'monster girl' transfers into his class.

The second spring at the Advanced Nurturing High School is welcoming Ayanokoji and Class D. The special exams aren't only what awaits them, but the unique freshmen as well. Kazuomi Hōsen and Ryūen. The two who shared the bad reputation between themselves during Ryuen's middle school days. Takuya Yagami, who proclaims to come from the same middle school as Kushida, is approaching her. And the capricious Ichika Amasawa who is pulling Ayanokoji left and right.

One day 's lunch break, suddenly a male high school student Yuzo Ogata being transferred to another world of sword and magic together with four other friends.

According to the Princess of Space-Time Magician, a foreign world who summoned them, they want them to beat the Demon Lord as Heroes to save this world.
Suddenly I was surprised at four friends "Temple", but it was a relaxing expression ... ... where the princess told of a startling fact!
"`―― There should only be four braves though?"
"A man who was mistakenly summoned to a different world" What will be in store as to his fate?

Source: http://konomanga.jp/manga/taitei-cheat

Dirty oldman isekai

Fantasy harem-comedy begins with a kind-hearted uncle who helps the weak, crushes the strong while doing some consensual seeding here and there.

Super serious and uptight high school student Koutaro Suzuki and his obnoxious gyaru kouhai Sorako Mozu get along like cats and dogs. She spends her days tormenting him, while he spends his days getting outraged by her. However, the two of them share a secret...that they're living together as fiancés!! Under the condition that Koutaro marry Sorako, who comes from a wealthy real estate family, they've agreed to buy his father's company and save it from going under!!

Having to deal with Sorako, who uses this and that (and you know what) to torment him, can Koutaro make her yield and successfully marry her?!