Aizawa Yuri has reincarnated 2 times now and is dead tired of being the emperor of this and that. Using his skills he acquired a reincarnation artifact, and starts his life in a brand-new world!

A scatterbrained, talentless civil servant returned as the heavenly Demon.

He now wished to live the rest of his life peacefully, as his days in the Murim world were full of conflict and bloodshed. However...

"Please be my father until I graduate."

He suddenly gained a daughter out of nowhere.

In a world where humans and demons clash — the one who decimated the Demon Lord’s army was a lone hero named Lloyd. Possessing power so immense that he was said by the Demon Lord to be near godlike, after the war, Lloyd was appointed by the king to be the lord of a remote territory and was sent far away. Furthermore, he was tasked with subduing the Emperor Dragon residing in that land, which he quickly defeated. However, the defeated dragon transformed into a beautiful woman and chose to become Lloyd’s companion!? This is the story of a man, hailed as the strongest, yet unable to recognize his own worth, finding a “family”.

Having graduated from the prestigious Witchcraft Institute at the top of his class, no job is out of reach for William Glenford. But William dreams of only one thing: adventures.

Alexander Purchinov is president for life of the country of Pursia, a country ruled by violence and the influence of its government. Alexander always desires to be dominant, and "ride" things, whether literally or figuratively. Now that he has already ridden his country, his next target is a fantasy world that has orcs, wyverns, and centaurs.

Just like how everyone adored heroes in their childhood, a certain young man adored those powers hidden in shadows. After hiding his strength and living the mediocre life of a mob character by day while undergoing frenzied training by night, he finally reincarnates into a different world and gains ultimate power. The young man who is only playing at being a power in the shadows, his misunderstanding subordinates, and a giant organization in the shadows that gets trampled….. This is the story of a young boy who had adored powers in shadows possibly eventually reigning over the world of shadows in another world.

Follows the life of a hero who manages to win all battles with only one punch. This ability seems to frustrate him as he no longer feels the thrill and adrenaline of fighting a tough battle, which leads to him questioning his past desire of being strong.

Will a boy without any motivation be able to save the world?

Roland is an assassin who, one day, breaks from his team and single-handedly “kills” the demon king (who is actually a girl because you should have figured out the type of story this is by now).

After returning to the kingdom, the king graciously promises Roland whatever he wants for his heroics. Conflicted in his desires — he hasn’t thought of anything outside of killing for years — he remembers that one of his teammates told him what she plans to do after evil is defeated:

Live a slow life.

And so Roland, with his ability to blend perfectly into the crowd and the disguised demon king Leila at his side, decides to live a peaceful life.

Look, you knew what this series would be like the moment you heard “skill” and “guild” in the title. I’m not gonna judge you, just keep in mind what you’re going to get into.

“We’re only taking a break for about 30 seconds? I’m not imagining things, right?”
“…Yes.”

After 15 hours of hunting, Hyunsung asked to rest for a while, and after 30 seconds, he had to get up again and started hunting.
Actually, Hyunsung has a special skill.

[Thananos’ narcolepsy skill is activated.]
[You’re being forced into a sleep state.]

After sleeping for a while and waking up, I got an item?
Pay close attention to the story of the God-Rank Class, the descendant of Thananos, the unstoppable Hyunsung.

Due to misunderstandings of the boy, he makes both enemies and allies angry!?

He may be strong, but can't be ignored!!

Supposedly the weakest boy who mastered martial arts and magic, the world shakes his misunderstanding!?

“Hmm... I have no talent.”... is what Yuan grew up in the mountains thinking. He's a normal kind-hearted boy, but of the unusual things about him, is that his parents are a sage and a master martial artist. In other words, the world's strongest. Since Yuan was told he was the weakest, he leaves home to make his dreams come true.

“Eh!? Is it really possible to be defeated with a mere finger-flick by an 8-year-old kid?”

“You heard the hero was the weakest member? You'd have to be out of your mind to fight that!”

“Armies of Angels? You mean the harmful birds? I'll just remove them altogether!”

Now, the boy who sees dragons as just lizards you can eat regularly thinks (I am weak. I'll have to get even stronger or else I'll never become a noble knight), will he ever be free from his misconceptions!?

Shiina Kazuya, our protagonist who got killed by a stranger when he tried to protect his childhood friend and little sister, reincarnated into Cain Von Silford as the third son in the world of sword and magic.

Cain grew up being surrounded by Gods who doesn’t know self-esteem, the upper noble and the girls who are swayed around him.
Being given so many protection from the gods, He overcame any obstacle (aka Flags) while hiding his unbelievable status. The noble path fantasy story of a young boy who sometimes wicked and clumsy.

The virtuous will definitely be rewarded!

This world judges the deeds and good karma of your previous life, and grants you a rank when you are reborn. The benevolent man, even surprising the gods through this, decides to be reborn as the son Alexander of a noble family, and thus starts his SSS-Rank life! Follow Alec's journey as he lives his life as a SSS Rank!!

The Jester ― More commonly known as the ‘Playboy’ Dylan, was fired from the party of the Heroes. The self-centred Heroes didn’t understand Dylan’s importance to the group.
They were just a group of one-man teams. Not interested in cooperation at all. Any failures are blamed on the Jester. Dylan, who was disgusted with such companions and was sick of playing as their comedic foil, happily accepted being kicked out.
The Heroes didn’t know. After saving them many times over with his magic tricks, the level 99 Jester can change his job title to that of a ‘Great Sage’.
“Life, how about a rewrite?”
He’s done being the clown. From here on out, he’s going to take the leading role.

A man is stabbed by a robber on the run after pushing his coworker and his coworker's new fiance out of the way. As he lays dying, bleeding on the ground, he hears a voice. This voice is strange and interprets his dying regret of being a virgin by giving him the [Great Sage] unique skill! Is he being made fun of?

Sano Yuji, a black company employee, is summoned to another world while finishing his work at home. His profession in the other world, a Monster Tamer, is considered a job that makes it difficult to become an adventurer. However, thanks to some slimes he met, which read several magical books, he gained magical powers and the second profession, Sage.
Yuji acquired overwhelming power, but is he conscience of his strength? Blindly becoming unparalleled and strongest in the world!

From MangaHelpers :
High school student Misumi Makoto is called into a fantasy world by the god Tsukuyomi, in order to be a hero. However, powerful others in this world aren't as thrilled to have him there, and they kick him to the edge of the world just as Tsukuyomi declares that he must leave Makoto to find his own way. Now it's up to Makoto to find his own way.

With my wife's breathtaking beauty, not even the newly enthroned empress can match her! With my wife's marvelous culinary skills, not even the empress's royal chefs can match her! My wife loves me and cares about me very very much, and I wouldn't trade her for even the empress! Wait, what? My wife is the empress?!

"THE NEW GATE", an online game that trapped its players and turned into a death game, was now releasing the thousands of players that had been dragged into it, thanks to the efforts of Shin, one of the most powerful players. But after having defeated the last boss and freed everyone, he was swallowed up by a strange light and found himself inside the game world 500 years in the future and unable to leave.

(Bad luck and Good luck are like two sides of the same coin!? Defy the misfortune!)

Siegbert reincarnated after an accident because of his bad luck. His new family is so warm that he can’t believe that his past life was a stroke of bad luck. In this life, he thought he would be able to spend his peaceful life… but he holds unbelievable [luck value]…?

(Good luck attracts opportunity. If you can seize it, your wish will come true!)

The family and others are in desperate, after strong enemy (chance) one by one stand in the way!? No, I will hold it with my extraordinary magic power and appraisal eyes. (seize it)

From “Shousetsuka ni Narou” A heroic tale of a boy who becomes the strongest to protect his warm family! Also includes a newly written novel from the original author.