Suzuki Iruma has just been sold to a demon by his irresponsible parents! Surprisingly, the next thing he knows he's living with the demon and has been transferred into a school in the demon world. Thus begins the cowardly Iruma-kun's extraordinary school life among the otherworldly...

Being a "Jack-of-all-trades" is a sin!? Despite trying his hardest, he's been told that he's out of a job!! A member of the Hero's party, Orun, is suddenly told by the party leader; "You're insufficient, you need to leave." Additionally, Orun is mocked by his former comrades as a "Jack-of-All-Trades, Master of None". True, he is well-rounded with no particular skill standing out. Still, he would complete every task with a skillful hand, what's more, he always performed at peak performance...! Orun, having grown frustrated, began working solo. However, deep within his heart lay the drive to become the ultimate "Jack-of-All-Trades, Master of None", an "All-Rounder"!

The Netherworld: A world inhabited only by Demons, creatures born from the dark abyss. For Salvos, a curious newborn Demon with a penchant for making friends, surviving this hellish landscape was always going to be a difficult task.

And when her companion's life is threatened by a mysterious Demon King, she'll have to adapt, gain experience, and evolve to do what it takes to save him. Even if it means separating from him and being tossed into an unfamiliar world with Humans, monsters, and a bright blue sky where she is scorned for being born a Demon.

After all, the law of evolution is survival of the fittest, and Salvos will survive.

"Won't I be able to get filthy rich if I use this skill?"

Continually exploited at work, Amata Shirou quits his job and moves to his grandma's house. When he finds out that it's connected to another world, he comes up with a plan to set up a business selling Japanese goods.

The story of a man getting rich using his skill that converts the currency of the other world to Japanese yen and so forth.

Web Novel RAW: https://ncode.syosetu.com/n4097fo/

A 4-koma featuring super-deformed versions of the cast of Zero no Tsukaima.

When the planet perishes and the gods fall, the collapse of the magical realm leaves humanity without any protectors. Now, "Anomalies" and "Catastrophes" begin to invade the human realm . As the Dark Age descends, a soul from Blue Star (Earth) is unexpectedly transported into this dying realm.

A man who was reincarnated in another world as a 9th class wizard and retired after saving the continent from a dragon war. He decides to open a small restaurant in the countryside, but his routine is anything but ordinary. On the second floor of his restaurant, there lives a black dragon who has transformed into a woman, named Rurin. She is greedy, cute and loyal to him, but also ignorant and clueless about the human world. They live a fun and warm life, serving customers, solving problems and growing violets in the garden.

Iver is a dragon maou who stopped trying after historical heroes defeated her every time she resurrected. But the present day hero, Mirio, who found the holy sword by pure chance falls in love with her. And thus forms the couple of the maou with no self-esteem and the dopey hero. This is a story of how they come to know each other, fight, and find happiness.

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.

[Would you like to reverse time?]
[All your abilities will be reset.]
[Please choose the date.]

“February 28th, 1985. The day I was born.”

Financial power. I will gather all the fortune of the world—
and create a monopoly. I will monopolize all the dungeons of the world.

I will do this now, while the world is still peaceful...
before it all begins.

The once legendary hitman "Nighthawk" is now a washed-up, 33-year-old, alcoholic, chain-smoking NEET. Will she ever make her comeback?!

Jiang He, a girl from the Tang Dynasty, traveled through a thousand years and appeared in front of Xu Qing. Fate brought together this love that spanned a thousand years. Everything the girl was familiar with has become history. Relatives, friends, and enemies have all been left behind 1,200 years ago. The boy is unreserved and leads the girl to start a new life. Pain, confusion, cheers, and laughter will remain in this new world.

Takashi never graduated from elementary school because of not eating green peppers. He is already 20 years and his fellow classmate Megumi is a new teacher at his school. See how this story unfolds in a comedic way.

A C-rank killer from the assassin organization “Glory Club,” Byun Hogil somehow ends up becoming a lawyer. Where there’s sky, there’s also rock bottom! Set in the same universe as [Killer Pietro], this is the story of our ordinary, small-time citizen-killer Byun Hogil, who never even got close to the legendary Pietro.

Ooyama-kun normally doesn’t get involved with Akutsu-san, a delinquent girl in his class, but for some reason she makes his house her hang-out place! Will Ooyama do something horrible to her behind closed doors or will he chase her out? But dealing with Akutsu-san’s sexy, cute behavior in such a confined space… he’s sure to get flustered! He wants her to go home, but he doesn’t? A teasing comedy under a single roof!

Note:
Yankee Musume (ヤンキー娘) is the pre-serialization name

Links:
Artist's Twitter: https://twitter.com/NAGAOKA0
Artist's Pixiv: https://www.pixiv.net/member.php?id=133935

Before he became a legend, before the Tower trembled at his name—

Urek Mazino was just another Regular, climbing the Tower for a purpose greater than power: To chase after the enigmatic being, Phantaminum.

This is the untold story of Urek’s early days— his trials, battles, and relentless spirit as a chosen Regular. Witness the rise of the man who would one day shake the very foundations of the Tower itself. The legend of Urek Mazino begins here.

Federal Informant ‘Baek Yisu’ and a criminal gang’s boss, ‘Baek Dogyeong’ are twin brothers.

With the same faces the two twin brothers have lived different lives until now. Yisu, who’s been betrayed by the gang, throws away his identity to become his brother. This federal agent is soon to become the gang’s boss…!

One day, school teachers come as freeloaders to the inn run by his parents!? Kazami Hiro, a high school boy, decides to take care of the inn and his future!? Under one roof, The forbidden harem romantic comedy begins!!

Makunochi Ippo is an ordinary high school student in Japan. Since he spends most of his time away from school helping his mother run the family business, he doesn't get to enjoy his younger years like most teenagers. Always a target for bullying at school, Ippo's life is one of hardship. One of these after-school bullying sessions turns Ippo's life around for the better, as he is saved by a boxer named Takamura. He decides to follow in Takamura's footsteps and train to become a boxer, giving his life direction and purpose. Ippo's path to perfecting his pugilistic prowess is just beginning.

Note: Won the 15th Kodansha Manga Award for Best Shounen Manga in 1991.

A bitter and painful adult's life needs "friends".

Set in a game company, Rihito Otsuka (23), who is "normal" in both work and socializing, and Noa Saotome (27), who goes all out with everything she does. Two characters whose lives aren't supposed to intersect become "friends" by chance...? A little sweet and slightly heavy "office" friends "comedy" start!