Meet the Evil King Valt, ruler of the Continent of Darkness. After being defeated by a group of heroes, he was reborn as a human, with his powers intact!

"I'll start over in this world. And this time the whole world will be mine!"

Valt garners the attention of the elite adventurer Iris. With Iris as his guardian, he enrolls at the Royal Adventurer Training School and immediately surpasses his seniors with his abnormal power! In an unprecedented move, this maverick is designated "level 0." He goes on to employ his talents as an Evil King to great effect, dominating the new world he finds himself in...

From LHtranslation :

In a certain world, there was someone who excelled in magic combat, people called him 『Sage』. Seeking the strongest combat art, he devoted himself to research every magic and combat arts in existence. And the conclusion he arrived at was very cruel, 『My body is not fit for magic combat』. Yet he didn’t give up. He sealed his own soul with a magic art, and was reborn in a far-off future. And the magic theory in the completely changed world he saw there was of unbelievably low level.

Sword Magic, where a sword is manipulated using magic to freely fly in the air, cutting down enemies. Ardis is a user of this new magic art that has never been seen before throughout the entirety of the history of magic. As a mercenary, he undertakes various requests in return for remuneration, including subjugations, escorts and investigations.

On the way home from a survey request, he protects a pair of twin girls who survived their caravan being attacked by bandits, however in this world twins are considered “abominations”.

Along with the twins and a girl who accompanies him as a follower, he holds back his anger at the world which looks coldly at the twin girls due to the goddess’ intervention.

This is the story of such a swordsman called the countless swords sorcerer.

A boy named Atsumu was branded as "useless" by his famous sisters and banished from his entertainment-industry family. However, hidden within him was an extraordinarily talented "behind-the-scenes support" skill that neither he nor his family had noticed! After transferring schools, Atsumu is now determined to live a normal life, but as he crosses paths with talented entertainers—VTubers, idols, and models—his natural ability starts to shine, making him their indispensable support. They can't help but adore him, turning his simple wish for normality into a showbiz underdog success story!

A man who drove countless couples to ruin in his past life is reborn as the angelic beauty Netora Reiko! But this girl has only one desire and it's "to experience the ultimate NTR!?"
The most despicable yet glorious romantic(?) comedy where an NTR-obsessed TS beauty sets out to deceive everyone around her and mentally destroy her childhood friend in the process!

In this world, there are two types of people. Those Who have powerful "skills", and those who don't. People born with powerful skills, exterminate monsters to level up and become successful, while people without them, become failures,who are treated harshly by society. Follow the story of Fate, a guy who works as a gatekeeper, and whose only skill is gluttony, a skill that only makes him hungry.

Yumesaki-san has a problem. Every day she is given a new, random supernatural ability by an anonymous person called God. But for what purpose?

One day, Charlotte Bennett transferred to Aoyagi Akihito's class. Her proper and refined mannerisms and adorable appearance captured the hearts of his classmates, but Akihito calmly takes a step back, feeling that she "lives in a different world." However, helping Charlotte's lost sister, Ema, throws his daily life into upheaval...?!

The story of Mix takes place in the same Meisei Gakuen high school as Touch, only it is set 26 years later. Like Touch, Mix revolves around brothers and baseball.

Misato-san, a very beautiful office lady who is good at her job, and her boss—Konishikawa-san, a middle-aged man who spoils his subordinates. Misato-san has a strict attitude toward Konishikawa-san, but what are the hidden feelings behind it?! The gap between the seriousness and cuteness will make you faint in anxiety, and this office love comedy with a difference in age begins! (MTL)

The perfect but slightly scary student council president, Ookamigawa Runa, also known as "Wolf Senpai"
And the incompetent vice president, Tsukiyama Yuuga.

The two are complete opposites in every way.

Except for one thing: they each have a secret side to them.

One day, Tsukiyama finds out about Wolf Senpai's true side through a secret part-time job...!?

“'I’ll create a witch!!”
During the 17th century, the German alchemist Johann Schultz successfully created a witch. He then injected that power into his own blood.
In the present day, as a result of a scheme created by his cousin, Yomoda Rena, Shurutsu Kenichi, a high school student and a third generation German, fights on secretly as a blood relative of "Brocken", all in order to hunt down those who abuse the artificial witch theorem. Yet for reasons unknown, he transforms into a Magical Girl "Heroine"...?

Amano Emi likes wearing cute clothes. One day, as she is arguing with a pick up artist who was harassing a girl, a drink is thrown at her. She is saved by a stranger...

Kouta Takeda who just started working at XOX Corporation, meets his new boss, a beautiful woman with big breasts named Kyouko Takizawa.

In early summer, 2nd year of high school, Koguma's mom suddenly leaves, leaving only a note that says "Bye." She is alone, having no parents, no friends, no hobbies. She silently reflects, "I don't have anything." But a chance encounter results in her buying a Honda Super Cub with a disturbing history, and a new life suddenly blossoms open.

The cool, lone-wolf girl and her precious, unrequited crush!

(Source: Ganma!, translated)

From MangaUpdates:

A beast tamer without a familiar, Lock had been supporting his friends in an S Rank party until they finally decided to use him as a decoy and abandoned him. After a conversation with the Fenrir his party was attacking, it chose to serve him as his familiar. By using and expanding the [Mini Monster Garden], Lock gathers more and more familiars to form the strongest- and cutest- party ever. Behold, a fantasy where men and beasts go on adventures together.

The protagonist ​​is a middle school boy named Hikawa Jun who lost his mother at birth. He glares at his classmates who complain about their own overprotective mothers and wonders what it would be like if he had a mother of his own. The story begins when Jun, who wants the warmth of a mother, lies about his age and matches up with a stranger on a sugar mama dating app.

A world where monsters run rampant.

A noblewoman falls from grace and loses everything after being falsely accused.

But, she started a fresh life as an 'Immortal'. She became an adventurer capable of defeating disaster-rank monsters and taking the heads off ancient dragons with a single swing of her blade. However, behind that cool exterior... beats the heart of a ridiculously over-indulgent mother!?

“What should I do, my daughters are just too cute!?”

She wields her deadly sword for the sake of motherly love! Ogres flee and dragons tremble at the sight of this overpowered adventurer!

The fantasy adventure of the Doting Mother Sword Demon begins now!

Kanan is a demon hiding in a high school in the human world to feed on the souls of humans. She sets her sights on a single high school boy, but somehow ends up in a lovers contract with him!? Kanan, who has never been in love, is now filled with new feelings!

The romantic comedy of a pure-hearted demon's first love, begins!

(Source: Shounen Magazine, translated)