From Paperdolls Project:

Nonoyama, whose only friend is a stuffed animal, spent her elementary and junior high school years as a true truant because of neglect and bullying.

Now having the chance to reset her life as a high school student in an out of town school, she's determined to make friends and enjoy her school life! However, her high school life is a rocky road from day one...

Raul who had defeated the demon king as the strongest hero should have become the savior of the world.

Having his treasured companions and family killed by power hungry aristocrats, he was executed with false charges brought against him by the princess. Just before his life collapsed, at last his heart fell into darkness.

...I will tear those traitors from limb to limb. Burn them at the stake. Sever them to pieces. Skewer them. I will kill every one of those bastards without mercy and make them taste hell's suffering.....!!!

Obtaining the power of darkness, Raul was revived. Sneering, he vowed revenge.

“Oh, I’m looking forward to it – from now I'll bask in their blood as I please.”

Several days after the hero's revival in the imperial capital where flowers bloomed in profusion, the parade that would advance towards tragedy began.

Delinquent girls X Pro wrestling X SNS - a unique yankee entertainment that creates a new chemical reaction!!

The story revolves around 6 young criminals held in a youth training center. One day a mysterious man appears from the wall who finds himself wounded and entrusts them with a "hand" which is called the hand of Zeus who harbors a mysterious power and energy. This hand can create a "Mouth" that is like a portal to be transported anywhere which they use to be able to escape the correctional room however having in their possession that hand is a great danger since strange beings are after it so they will have to face them.

Gamin Yoon, a 17 year old student, goes to a school known to harbor future criminals. Stuck in a carnivorous environment where only the strongest survive, he struggles to get good grades to enter a 4 year university. But, will he be able to study well enough to enter university, or will he get involved in the unending fights around the school?

Hatori, a high school teacher leading an ordinary life, notices one day that his student, Spica Tsumugi, is being bullied. On a rainy day after school, Hatori finds himself alone with Tsumugi by chance.

Hatori tells her, "I'll do something about it!" but Tsumugi gently takes his hand and says with a smile, "Hatori-sensei, you're such a liar."

Teacher and student… two people who should not get too close. This somewhat bewitching girl will dramatically change Hatori's ordinary life.

Kotesashi Kouyou is the protagonist who possesses outstanding skill as a masseur. He aspires to become a sports doctor and wants to get scholarship in medical school. Starting spring, he will attend the high school attached to Seiwa University, a sports powerhouse. Since his family is not wealthy, he has to work as a hostel manager where he is allowed to stay in order to pay for his school expenses, however, there he encounters high school girl athletes with various problems. Kotesashi's job is to take care of them physically and mentally, as well as being the hostel manager. School girls from sports clubs and massages! All this will start a life full of intense excitement in the dormitories!

Welcome to Yani's apartment. Please don't mind the smell. Yani is a catgirl with a seriously bad smoking habit. Every time she tries to quit, she becomes weak to the cravings and gives in almost instantly. Behind on her rent and unable to hold down a job, her friends and sister rally around to help her out. But when she's using her pee to put out cigarette fires, they may just have their work cut out for them. Will she ever get her life together, or is she doomed to live as a chainsmoking slob forever?

Deep within the most infamous dungeon, the 'Primordial Core', lives the worst boss monster of all time. Its the story of the struggle of a boss monster who just wants to rest.

"Please don’t touch the guy wearing glasses…"
Department head Kim, who quit his job as a special agent only for his daughter Minji and chose to be normal. Then one day, Minji disappeared silently, and Manager Kim began to find his daughter by turning the country that monitors him into the enemy.

My name's Karina—or at least, it is now! I used to be a nondescript, run-of-the-mill Japanese salaryman until I was whisked away to a divine realm where the Goddess of Time and Space told me I'd be living a new life in a new world—and as a girl, since apparently she prefers it that way. First she wants me to beat some final boss she has a grudge against, then she takes control of my body to show me how to use my new spatial magic powers in a tutorial fight... Wait, isn't that the final boss I'm supposed to beat?! Less than in a minute into the tutorial and he's dead!? And now she says the world's my oyster. Seriously!?

Official English Light Novel: https://j-novel.club/series/knock-yourself-out-the-goddess-beat-the-final-boss-in-the-tutorial-so-now-i-m-free-to-do-whatever

SeoJoon, who had been working to save in order to pay off his dead parents’ debt and to attend a hunter academy, ended up needing to spend all his savings for surgery due to an unfortunate accident.

In his moment of despair, a weird ad played.

[You can also become an awakener!]

He decided to register since he had nothing else to lose.

[Mr. Kim SeoJoon, welcome to Transcension Academy.]

This hunter academy is on a different ‘dimension’ than other hunter academies!

In the age of private hunter education, you can also become a ‘transcended’!

Na Hae-soo's life unravels when her husband betrays her with an affair, leaving her burdened with debt and losing their child. In a devastating blow, she witnesses him with a younger woman. Broken and despondent, Na Hae-soo feels her life crumbling around her. However, a mysterious young man unexpectedly enters her life, asking to be taught about adult love. His vulnerability and sincerity begin to stir emotions within Na Hae-soo, challenging her to reconsider her path forward.

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!

All the members of my sect are abnormally strong. All my disciples turn out to be big shots, and I'll definitely become invincible in this world!

In the era of astral pets, only the might of pets was essential! However, making the pets stronger has always been a slow and arduous process for pet warriors. That was until the appearance of a mysterious pet shop that changed everything!

The weakest skeleton could slay a great golden dragon with a single strike after training at this pet shop! Even the humble watchdog of the shop possessed ten legendary skills, and the female worker in the shop claimed to be a Goddess...

As for what the shopkeeper Su Ping thinks: I'm merely training these cute pets to become exceptional overlord beasts. What? Is it not normal?

Because he did not pass his college entrance exam, Kagami Kyosuke cannot stay close to Kojo Hikari, the love of his life. So instead he gets a part-time job near her university and buys an old camera since Hikari is passionate for photography. But as it turns out, this camera also possesses a secret which will get him involved in all sorts of embarrassing and awkward situations, especially with Botan Oshikiri, his senpai and co-worker. How will Kyosuke's life play out now?

There lives a man who has lost his memory and can’t remember where he’s from, and who he is, including his name. He just goes by the name Matsumoto and the one and only thing he remembers is how to play soccer. However, the one thing he does remember, he does exceptionally well, even better than the professionals. He sells his ridiculous soccer skills to teams and guarantees them goals and, even more important, wins. As he travels from city to city, country to country playing for money, he hopes that he regains his memory.

Kim Jun-Woo, the world’s first SSS rank genius hunter.
He is an incredible user of ability, but his horrible personality leads to problems with his reputation.
In the midst of his troubles, he was attacked and killed by an unidentified group.
And when he opened his eyes, he had returned to the past of 10 years ago.

Though he tries to become a hunter again and raise his rank, his skills were all sealed by the karma of his previous life.
In order for that to be released, he needs to work as a ‘Dungeon Cleaner’, which is infamous for being extremely tough in this industry?!

But this cleaner, he’s different!
Not only monsters—troublesome hunters, superiors only taking up positions after they’re hired out of nepotism, and even people who will be colleagues with him.
He’s making a complete mess to clean everything up.
The ex-hunter, who is stronger than the current hunters, and his crazy cleaning begins!

Set on a solitary island in the distant sea, a dangerous school life begins!

Kaoru Jahana, a boy who aspires to become a true man, begins his high school life on a solitary island in the sea. There, he meets a charming girl, Kanra, who is actually a demon who feeds on men's spirits...and it turns out that all the women on this island are the same demons!?