The Magician named Yard was suddenly summoned in different world as a Hero. The sorcery in this world is behind compared to Yard who came from another world. The other summoned heroes are also unreliable. Furthermore, it is not possible to return to the former world... In such a hopeless situation, Yard chuckles to himself. Get ready, humans of this world. This world where witchcraft is behind. I have enormous toy in this box. allow me to play with it. The Villainous magician named Yard tramples down the other world with overwhelming Dark magic!

Negizawa Kamo once tearfully promised his weak childhood friend Kagyu Jubei that he would grow up to be a teacher who would not stand for bullying. Several years later, as a teacher, he meets Kagyu once more under strange circumstances to say the least.

While Negizawa was training to become a great teacher, Kagyu (who, like most women, fell for Negizawa) polished her fists so that she could protect him when they met again.

Hilarity ensues as Negizawa strives to become the teacher he once dreamed of being and Kagyu protects his chastity from the numerous women who lust after his sweet behind.

A long time ago, a portal to another world was opened, and those who acquired special abilities along with marks began to be called mages. After the incident known as "that day", the first-class mage from Ophion, known as "Blow", has become very famous. One day, he receives a very special mission: to protect the second son of the Artian family, who suffers from being called a "monster" at the magic school "Helios"! Thus, Blow enrolls in Helios under the name "Rood Krisch" to hide his true identity...

The conflicts and fights over daily trifles have never ceased between this pair of interesting siblings, the cool little sister "Secondra" and her funny elder brother "Minuto", but as long as one of them is in need of help, the other will never stand aside and do nothing. What a weird match! Now let's have a look at their friends. Joy Zhen, the old chum of Minuto, is a handsome boy with simple mind. Grace, the best friend of Secondra, is a warm-hearted girl who mistakenly regards Minuto as a bad boy. So here starts our story...

Having survived an isekai for 17 years, 34 year old Ojisan (uncle) returns to modern day Japan. Takafumi, Ojisan's nephew, now gets to witness what throwing a die hard Sega fan into an isekai for 17 years does to various things and people, both past and present.

In a certain school lies a certain club and its three managers. Though unremarkable, days that can't be found anywhere else have begun! Drawn by Yamamoto Souichiro is a brand new Sports ground youth story!

Nezumi is a girl who was raised as a hitman by the yakuza and grew up not knowing human love. An ordinary young man, Ao, knows nothing. They fall in love and start to live together, but the evil hand is close at hand.... This is a story of first love, so cruel and so sad.

From MangaHelpers:
People have been created that are human-animal hybrids, and powerful businesses bet on the outcome of their duels. College student Nomoto Yuuya's casual acquaintances ask him to drive them around to pick up girls one day, which he soon finds out means by force. The girl they kidnap is an animal-human hybrid named Hitomi, who slaughters all of them except Yuuya. Hitomi is a honey badger, which has been called the most fearless of all animals. Now Hitomi is assigned to stay with Yuuya, for his protection.

New shoujo manga artist Nana Futami works hard every day while being supported by Kaede Satou, her female editor who is older than her, and Mizuki Hazama, her assistant. According to the girl herself, she sometimes drums up intense daydream delusions of occupational illness! A working girls comedy set in the entertainment industry, brought to you by an author who always draws various girls.

Description from GANMA! :
Yuusuke, a 7th grader, is interested in his friend's older sister for various reasons.
The older sister, while a little strange, is a kind and caring girl.
She's mysterious, but is popular with everyone.
This is an ordinary comedy about Mayuri-san's mysterious everyday life.

Author/Artist’s Twitter: https://twitter.com/panzuban (Though it seems they do not/have not posted much about this comic)

It was 1999, the year Nostradamus predicted the end of the human race.

Riding the unprecedented occult boom, Inubosaki, an editor of a third-rate occult magazine, is covering strange incidents with his cameraman Asama, who is also psychic. As Asama's psychic powers draw them together, the two encounter a number of terrifying and bizarre phenomena. Meanwhile, in the present day, 2023, an elderly Asama is visited by someone claiming to be Inubosaki's nephew.

The setting is Roubai Private Academy, a prestigious girls' middle school in the country. For Akebi Komichi, donning this school's sailor uniform is a dream come true. Her middle school dream life is finally beginning. Verdant open countryside vistas. The slowly flowing time of youth.

A sweet cross-cultural romantic comedy tale about a lesson exchanger from a beautiful foreign country, and the young man who takes care of her dinner.
Katagiri Naomi, a high school student who lived alone for two years, finds a beautiful girl with black hair, and blue eyes, who moves into the apartment next door. The girl's name is Yui. It seemed that she really was a noblewoman, and her nickname was “Quderella” because of her nonchalant attitude at school. Naomi knows that Yui doesn't want to depend on others, but she's actually quite naive, so Naomi decides to help her.
"Today what are we having at night... Karaage chicken, huh?"
"That's right because the price of chicken is discounted today"
“I love your fried chicken so I'm really looking forward to it”

This is the beginning of a sweet and tantalizing relationship between the girl and boy who lives next door.

Amaguri Senko is a high school girl with a cool personality; she is also a massive pervert. She openly reads porn and masturbates, and isn’t perturbed in the slightest at the sight of penises and such. The story is about two adult men that come to live and work for her father, who runs a company that does various oddjobs, which she helps out with. And the various forms of sexual harassment to which she subjects the one which she has taken a liking to.

The two who are among the best pro players of the game, Legend of Heroes 2.
“Outboxer009” who is eternally first, and the forever second-place “YellowStorm”. One day, these two woke up inside the game…

“Hey… you too?”

“Hey… me too!”

The ending of Legend of Heroes 2 comes with the destruction of the world. But thankfully the two are together. The server’s Rank 1 and 2, at that!

It’s time for these pros to work to achieve a perfect happy ending.

One day, a dull young man from Japan gets caught up in a heroic summoning and goes to another world. The next time he wakes up, he's not in a castle with a king, but in a deep forest since the summoning failed! You'd think he'd be at a loss, but he starts living a life of survival with a positive attitude that doesn't involve deep thought!
Then, before he knows it, he saves the cursed forest and magical beasts one after another with his magical powers, and is befriended by wolves and dogs in a healing paradise! However, he doesn't realize that they are actually legendary demonic beasts and spirits at all. What's more, that they are adored! A positive young man unknowingly plays with the legendary magical beasts, a heartwarming and misunderstood fantasy begins!

Dungeon x Childhood Friend!?

Let's watch over them, in this warm romantic comedy!

At the bottom of an impregnable underground dungeon awaits the final boss, the mighty black dragon Obsidian. The one who dared to challenge Obsidian is Van, an experienced adventurer who has fought many battles with the dragon over the years.

The battle between two passionate souls is about to begin—!

This monumental manga became the driving force behind Shonen Jump, the tough kid boss of the neighborhood, Mankichi Togawa, uses his fighting skills and charm to find friends as he takes on the bad guys and the big shots who control Japan's financial world. This series, which was followed enthusiastically by the youth of the time, blazed the trail for a new class of readers. This work embodies the spirit of the magazine Shonen Jump. It had a major influence on the authors who followed. In 1969, it became the first Shonen Jump work to be turned into animation, and in 1971 it was turned into a live action film. (Weekly Shonen Jump Exhibition Vol.1 Catalog)

Typical company employee Tanaka Daichi (38 years old, single) loves games and plays a new type of VRMMO called "One More Free Life Online" under the username "Earth". Inside this free world he chose several skills that are generally regarded as useless. Be it wasting time crafting potions, cooking up pointlessly tasty food, or hunting monsters with some absurd weapon he crafted, he simply enjoys playing the game.

Web Manga

Alicia is an orphan living in Ciel, a world of swords and magic. One day, she discovers that she is "the heroine of an otome game." Even the death of her parents was simply part of the story.

Alicia decisively rejects the heroine's role as "nonsense." Taking the name "Aria" as an adventurer, she gradually grows into the "Ash-crowned Princess of Slaughter" who wields multiple weapons and magic!

But, when she receives a request to escort a "villainess," without realizing it she finds herself caught up in the stage of the game where nobles struggle against each other...?

"I am 'me.' I'm not a character in a game!"