An ordinary middle schooler, Lee Sungmin, is summoned to this world called ‘Eria’.
He endures for dozens of years with no talents or powers, and makes it through all kinds of hardships to survive, but dies miserably in the end.
However, before he dies, he regresses back to the past after obtaining the ‘Stone of the Past Life’ by chance, and gains the opportunity to start his life anew.
Yet, he still lives a life without any talents, having nothing. Although he can’t approach the geniuses around him due to the ‘wall’ surrounding them, as well as feeling inferior, he moves forward step by step with firm determination, never giving up. “No matter what, I’m going to live a better life than my previous one even if I have to struggle!”

In the second half of the 2nd century, Naru, a warrior from the state of Koryo, was sold as a gladiator-slave to the Roman Empire and waged a desperate struggle for freedom.

A world in which Korea is the global capital of combat sports. At Nam-Il High School where the best and most talented students of martial arts reside, Jiu Ji-Tae suddenly finds himself thrust into their midst despite being a total weakling. By neutralising his physical shortcomings through jiu-jitsu, can he rise to the top of the fight classes?

These are the cute coffee dates of two women, Songah and Eonnie. Flirting in public, loving each other, all over coffee.

The story takes the place in the world where using the magical powers is natural. Hiasen, the son of Ran, is raised by the powerful wizard, Kasin, who is also a friend of Ran. The story begins with the time when Hiasen asked Kasin to send him to the school for a gift of Melly Day (February 29th, comes in every 4 years).

From Twilight Scans:
The story of Kim JaeHan starts now! A dad who only has eyes for his daughter faces a sudden death. His mission is now to protect his daughter DaHyun from the 12 bullies by using his powerful character from webtoon drawing when he was once alive! As a dad, he'll never let his daughter get bullied. If he sees this?... he won't let those bullies alone. Whoever touches my daughter, you're fucked.

One day, a giant monster in the shape of a bug appeared over the world… with only the "Children of the Butterfly" to fight against it.

While Dokgo Rewind is the prequel to Dokgo, the latter series should be read first.

After Kang Hu’s death from bullying, the family was torn into pieces. His younger brother suppresses his resentment and heads back to school. The story begins exactly one year after Kang Hu’s death when his brother seeks to destroy the delinquent circle

"To pass time before surgery, Hwayoon read a romantic novel for some steamy scenes.

Little did she know this would lead to her reincarnating into the story as an insignificant maid that's executed soon after. The goal is to survive, but things get out of hand... and steamy.

Kang Haru, also known as Kay-D from the popular idol group ‘Miracle Knights’, is running away from his life of fame… but what will he find on this charming little island?

"Don't look down on me just because I'm a child! Even though I look like this, this is my 10th life!"

I'm an illegitimate princess whose life was cut short after being misunderstood for having the same blood as the enemy country and died early. After nine tragic repetitions, I discovered the identity of my biological father. He is Paeon, a war hero who defeated the demon king and the strongest holy knight in the continent. He had a forbidden relationship with the princess, had me, and then deserted me!

In order to survive the harsh royal palace, I've decided to use and then abandon this impudent father. I will become the strongest as fast as I can and escape from this disgusting country!

And so, while I was building my strength, I happened to meet the demon king's son, Leo. He wasn't arrogant like his father, but he was pitifully living in captivity. So, I took care of him in secret.

"Asha, you cannot get engaged to anyone."

"...Huh? Why?"

"Because I’ll take responsibility for you forever."

"What?!"

"We spent the night together."

...What is this prince saying?

A father and holy knight who had (?) a forbidden love. Along with an enemy prince who is trying (!) to have a forbidden love. With them, can the unfortunate princess change her fate?

Lee Yooshin went to try out a new virtual reality game. However, it wasn't just a game. It has a 100% assimilation rate! A game world where everything feels eerily real- In the endless cycle of death and resurrection where logging out is not allowed, Yooshin prepares to fight. In order to escape the hellish battlefield from which there's no escape...

I transmigrated inside the novel of my favorite character, the second male lead.
A tsundere who listens to all the words of the female lead while grunting, with a straight forward personality, and a handsome face.
Matching all my preferences, he was even single after the ending.
Nice! I’ll pick up the second male lead!
However, I overlooked one thing…
The tsundere, who had been abandoned by the female lead blackened, and had become a terrifying man!
“Get lost.”
…I-is it safe for me to pick up the second male lead?

Based on the Original Webnovel (https://series.naver.com/novel/detail.nhn?productNo=4880443) by Hwang DoTol

Yunife Magnolia, a villainess friend of the heroine in this novel called Rael Cania.

The Yunife inside the novel has always loved the male lead, Ishid. To the point where she harassed Rael out of jealousy because she's loved by Ishid.

And thus, Yunife is destinied to die in the hands of the male lead of this novel.

But one day,

"Why did I become Yunife?!"

But let's think about it, it's still one year away from the time Yunife is going to get killed by Ishid. So, I have to meet Ishid and Rael first, I'll be able to find a way out of my death if I do so.

Yeah, let's meet them first!

But, this man is just so tender-hearted and kind. Would Junipe be able to escape from this man?!
this...???

Jaegun Ha is an unsuccessful novelist at 27 years old with nothing to show for himself. That is until he discovers a mysterious box of items and a cat in a graveyard! Now Jaegun is able to channel the extraordinary writing abilities of a dead writer named Gunwoo Seo, and Jaegun’s career is propelled to celebrity status. But with the perks of success come new challenges...

From Sunflower Scans:

A man whose time has stopped, and a woman who flows like a river.
Story about strife that comes and goes in the past and in the present.

Sungbin was ordinary, but after the death of his sister, he takes on the moniker of 'Neon Mask'. As Neon Mask, he becomes a psycho streamer and wages war on all gangs.

"A debt of blood must be paid back in blood."
"To avenge my sister, I will create an ocean of blood."

Jieum Ban has an extraordinary ability: she can remember the memories of all her past lives. After her previous life is cut short by a tragic accident, she sets out to reconnect with the people of her past life in her current one. Will memories of her 18th life sabotage romance in her 19th? Or will love endure across different lives?

If I can succeed it's OK to use bugs or any possible way! A story of reincarnated ultra-high obesity young lord.