Young Woo Shin, Username: Grid.
In the words best virtual reality game <SATISFY>, bad luck always revolves around him.
But he stumbled across a job during a quest, the strongest legendary job out of over 2 billion players!

Taro Sakamoto was the ultimate assassin, feared by villains and admired by hitmen. But one day...he fell in love! Retirement, marriage, fatherhood and then... Sakamoto gained weight! The chubby guy who runs the neighborhood store is actually a former legendary hitman! Can he protect his family from danger? Get ready to experience a new kind of action comedy series!

Morihito, a boy with the strength of an ogre, is about to start living together with his childhood friend Niko, who is training to be a witch. Niko's magic leads to all sorts of unpredictable trouble, and with two teens under one roof... Let the fantastical antics begin! Magical comedy series by Kenta Shinohara creator of SKET DANCE and Astra Lost in Space.

Shunpei, a loner high schooler, became a gyaru after saving the god of gyaru from drowning. Through his mother's connections, he was able to transfer to an all-girls school, but it was stuffed to the brim with gyarus!
Every day is a sensory overload for Shunpei, who's never even talked to a girl, let alone a gyaru.

It's the beginning of an introverted high school guy => gender-swapped gyaru comedy!

Annoying! Cute! But Annoying!

The daily life of a quiet college student who just wants to left alone, being teased by his cute, stacked underclassman.

From MangaHelpers:

History classes have never interested Saburo. He never saw the point of learning something that happened in the past, let alone a few hundred years ago. But when he falls off a wall, he travels through a wormhole and ends up in 16th century ancient Japan. He meets a very young Oda Nobunaga, one of the most influential figures in Japanese history, who turns out to be identical in appearance as Saburo. The real Nobunaga, sick of the castle life and wanting to travel, orders Saburo to take his place. Without knowing how to get back to his time, Saburo tries to make sure history isn’t rewritten for the infamous Oda Nobunaga. [vyc]

Won the 57th Shogakukan Manga Award for shounen.

This battle fantasy manga follows several heroines who protect people from the monsters that appear through a gate connecting to an alternate world known as the Mato (magic capital).

People called “challengers” are gambling their life trying to escape from The 100 Story Tower to win 10 billion yen. But what will happen when Tatsuki Kuroumi awakes at this tower without remembering anything about his prior life, including entering the tower as challenger?

Elric Melvinger.
The sole heir of the prestigious magic family.
Though he possessed innate talent, he had too much talent, and as such, could not learn magic. However, he then received a blessing left by his ancestors!

[Eat demons.]
[Swallow demons.]
[Drink demons.]

[Continue to keep accumulating demons within yourself, and achieve new magic!]

Reach high.

Reach a height so high that no one will ever reach me.

"I want to live the opposite way in my next life..." Cheonma, who had only fear and awe, gets a clue to properly learn spiritual magic on his death. Spiritual magic is not just about coveting the souls of others. In this way, Cheonma wakes up in the body of Confucius Byeoktaesan, who may die at any moment...

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)

More than ten years have passed since dungeons suddenly appeared on Earth. In a world where people with excellent skills play an active role as adventurers, the skill that high school student Takeshi Miyamoto has discovered is... "breast correction"!?

Takeshi is confused by the unique skill he has never seen or heard of. But there seems to be a surprising number of girls who need it.

I had been abroad to do medical volunteer work, when I was swept up in a civil war. I was killed by a rebel soldier, while taking a bullet for a patient. But when I finally woke up, I had become a child?!?

And in front of me stood a destroyed carriage and a group of oddly dressed people, who were unconscious!

“It’s just like a Murim world.”

As I hurry to perform first aid in an attempt to save even one person, I realize that this world is that of [The Supreme Demon King], a Murim novel I’ve enjoyed reading.

After meeting the rescue team of the ‘Three Great Doctors’, I found out that one of the person I saved was the protagonist of this novel, the future Demon King ‘Yeoharyun’!

“Hey, since I’m indebted to you for saving me, call me ‘hyung’.”

For saving his life, I become sworn brothers with the future Demon King, and Baekrineuison, one of the most knowledgeable people around, recognized my potential and took me in as his disciple. This is the story of how I became the greatest physician in Gangho!

The story is set in a world where supernatural powers exist through science, and magic exists through religion.

In the story, Touma Kamijou is an ordinary high school boy with terrible academic scores and a power called Imagine Breaker. Imagine Breaker can defeat any other power, but it also undermines Kamijou's own good luck. His Imagine Breaker's immense strength is literally immeasurable, so hapless Kamijou is listed at the supernatural level of 0. He happens to meet a girl in white hanging off his window balcony. The girl says she is being chased by sorcerers, and Kamijou learns that the girl is a Church of England nun whose memories have been forcibly replaced by Index-Librorum-Prohibitorum — the 103,000 forbidden texts of the Church.

A super-class dragoon group-Cyril, a boy who was banished from the S-class guild "Lindworm" for some reason. What he had hidden was ... the ability to "talk" with the dragons, which was unconventional!
Cyril who met unique dragons and launched his own guild. Perhaps because of its extraordinary qualities, the level of the guild soars at the fastest rate in history! Cyril, whose arm was recognized, will make a name for himself as a non-standard dragon knight.

"I've been cheating on you. Oh, and it's not just one guy. It's three. Sorry about that."

Back in middle school, Akiyoshi Sunao's first-ever girlfriend shattered his heart, and he swore off love. However, all that changes when he develops a crush on a girl in his university's film club. Just as he's finally beginning to move on from the past, he bumps into his ex-girlfriend. Little does he know that this is only the beginning...

To his horror, he wakes up in her body the next morning!

Standing at the crossroads of life; the important choices - “Flags”. Hatate Souta, a young man who can see these flags, transferred to “Hatagaya Academy”, a prestigious school in the metropolitan area. Not only does he meet beautiful girls in his busy school life, he even goes as far as living with them under the same roof! Surrounded by these flags, this enviable romantic comedy begins!

If you become a hero and defeat the Demon King, a life of idleness awaits you...! This is what the young man Jirei believed, and he worked hard day and night to achieve his goal. However, when he found out that the heroes who defeated the Demon King were the ones who were doing all the hard work, he ran away. But the girls that Jirei had been saving on his journeys before he knew it came pouring in one after another to win his heart and body...?

To fulfill his childhood promise, the boy aims at the top of the magical world with his sword in hand. There is only one way for him, who has no magical power, to reach the supreme peak…

Who knew that even a stationary plant could be surprisingly capable?!

Our protagonist is a saint—or was, until she was betrayed by one of her fellow saint apprentices as well as her fiancé, a hero.
In her final moments, she recalls her previous life, when she was just a normal Japanese high school girl, but that doesn't help the fact that she's being eaten alive by a massive plant monster.

And yet, by a stroke of luck, she doesn't die for good, but instead reincarnates as said plant monster. With the upper half of a human and the lower half of a plant, she must now spend her life as an Alraune.

And so, she tries to live the peaceful life of a plant, photosynthesizing all day!
Welcome to the diary of a plant girl who just wants some peace and quiet, but something always gets in her way!

Web novel: https://ncode.syosetu.com/n4444ge/