From MangaHelpers:
29-year-old programmer Suzuki Ichirou finds himself transported into a fantasy RPG. Within the game, he's a 15-year-old named Satou. At first he thinks he's dreaming, but his experiences seem very real. Due to his use of a 3-time-use special power (meteor shower), he ends up wiping out an army of lizardmen and becoming very high level. He hides his level and plans to live peacefully and meet new people, though developments in the game story (like the return of a demon king) might get in his way.

Zero was mankind’s first real superhero. Under his watch, countless other superheros appeared and followed in his footsteps. However, after 5 years of war, Zero disappeared without a trace.

The Hero’s party was attacked by a large group of powerful devils. The party will no doubt be annihilated if this were to go on.
One member of the party, the strongest mage, Rakku decided to stop the enemies in their tracks.

Olivia is picked up by a death god, Z, deep in the forest as a child and trained by him in combat for reasons unknown. One day, Z disappears, leaving behind a letter instructing Olivia to head to the Kingdom along with a sword bearing the qualities of a death god's weapon. Thus, the girl lacking in common sense, knowledge, and normalcy sets off to join the army.

Tens of thousands of big shots submit at his feet yet he says, “I’m really just a mortal...”
The overpowered protagonist who’s simultaneously the weakest in the world.

Konoe Yuuto was summoned to a different world where slave trading is legal. There, using his "Skill Taker" cheat ability, he steals the abilities of monsters he defeats, and starts building a slave harem while hoping to live a carefree life after retirement.

Bachelor Ma Hyun, after being missing for 10 years, returns to society as a powerful master! While being a teacher, he's also trying to purge the evil organization named Heukcheonbyeol. And thus, his life as Joongwon's strongest teacher unfolds now!

Ding, the host has opened the invincible field! As long as the host is invincible in the field…!” As a nerd, Chen Changan travels through the fantasy world, facing countless monsters and ghosts from the outside world, Chen Changan decided not to leave his invincible field before becoming immortal. When he is bored, he occasionally raises a few cute and sweet apprentices, and accidentally cultivated them to become leaders in the spiritual world, which turned the world upside down.

I want an S-Rank skill too! I want it so badly, I could die for it!

[You have awakened an S-Rank skill.] [But it only works when you die.]

HUH!? WHAT’S THE POINT OF GETTING ONE IF I DIE !?

1st Trailer: https://www.youtube.com/watch?v=Sz51IU05F88

The story is set in a Japan that is ravaged by plague-like rust, and details the journey of the strongest mushroom hunter Bisco Akaboshi and young doctor Milo Nekoyanagi and their search for the legendary medicinal mushroom “Sabikui”, believed to be the cure for the rust.

“It’s safe because it’s a desk job, super stable because it’s public work!” But what awaits Alina, who has become a guild receptionist, is a far from what she had in mind. And it’s all because of the adventurers inability to conquer dungeons! Having reached her limit, Alina sets out to defeat the boss herself, hammer in hand…

One day, the world transformed into a game.
'Dungeons' and 'monsters' emerged in the middle of cities, and 'players' who had received the gods' authority appeared.

Se-jun Lee, the guildmaster of the Messiah Guild that would bring salvation to the world.
"Let us save the world together. Let's put an end to this nightmare."
The whole world celebrated the hero's appearance,
And I became his comrade.

But...

He wasn't a hero nor a messiah like the world was hailing him.
He was a deceitful hero with the secret ambition to rule the world.
"You did well. If it weren't for you, I couldn't have come up till here."
I lost my life at his blade in the last dungeon.

...or so i thought.

The announcement I heard next to my ear the moment I died.
[Starting the game.]
I returned to the past, back when I still hadn't awakened as a player.

And this time, It's my turn......

To 'hunt' him.

Abel was a genius magician who held immense power in a world where the color of your eyes indicates how powerful you are. However, the strength that came with his amber eyes was so great, even his comrades looked at him with fear and contempt. He therefore decided to transfer his soul far into the future, hoping to find a paradise that accepts him. He would soon find out that people’s attitude regarding his eye color did change, but not quite the way he had imagined…

This is a world of magic where magic is used for everything. But deep in the forest exists a young man who spends his time training and bulking up. He can't use magic, but he enjoys a peaceful life with his father. But one day, his life is put in danger! Will his muscular body protect him from the magic users who are out to get him? Powerfully trained muscles crush magic as this abnormal magical fantasy begins!

The Private Aichi Symbiosis Academy was originally a high school for high-class girls, when it became co-ed, the girls, out of fear, asked to be permitted to bring weapons to school. When that was enforced, a five-member vigilante corps-like organization called the "Supreme Five Swords" was also formed.

After many generations, the five swords eventually became a group which corrected problematic students and such the academy started proactively accepting such students in order to correct them.

Nomura Fudou was sent to that school after being part of a huge brawl, what will he do when the only options he has after enrolling are being expelled from that school too or being corrected the way the rest of the male students there were... by being forced to dress and act like girls!

Rola who had received special education to be a swordsman from her A-Rank adventurer father since a young age, enters the Royal Capital's Adventurer's school at the age of 9. Rola filled with expectation in her heart in hopes to make many swordsman friends. At the day of the entrance ceremony, Rola's sword aptitude value was measured at 107. Between normal students whose aptitude value is around 50-60, Rola was definitely a sword genius, but the magic aptitude that was measured after that was 9999. Rola was stunned, and while she didn't know what was even happening she was transferred to the Magic Department.

Contrary to Rola's will, she exerts her super-genius, and instantly becomes stronger than anyone in the school.

The greatest demon lord in all history, Varvatos, has reigned for several millennia as absolute ruler. Now, there's only one thing left for him to do... enjoy the life of an average commoner! When he reincarnates as a villager in an unspeakable city, everything seems to go as he expected, but there's just one small problem: even when he restrains himself, Varvatos is still too strong! In a short time, rumors about him spread, and now, all sorts of men, women and assailants are approaching him! The quiet life I'd always dreamed of seems so far away...

There was once a man who was summoned to another world, and saved it. Of course, he became too popular there, and turned into an isekai-normie. However, that man fell into a “trap”, and was forcibly returned to his original world. Moreover, he had to start over as a baby! This is the story of the way-too-fantastic ex-hero who lived as a gloomy high-schooler as he gets summoned once again to that other world in a very unexpected development!

The Magician named Yard was suddenly summoned in different world as a Hero. The sorcery in this world is behind compared to Yard who came from another world. The other summoned heroes are also unreliable. Furthermore, it is not possible to return to the former world... In such a hopeless situation, Yard chuckles to himself. Get ready, humans of this world. This world where witchcraft is behind. I have enormous toy in this box. allow me to play with it. The Villainous magician named Yard tramples down the other world with overwhelming Dark magic!

A time travel action fantasy of the strongest of mankind. “Even if the disgusting gods gave me this chance, an opportunity is still an opportunity. Since they want to end up dead, I will kill them.” The last survivor of mankind, Zephyr. The fight with the demons ended in defeat and the gods gave him a chance to go back 10 years in time. The demons who took everything away from humans and the gods who treated humans as beings for sightseeing. This time, I will tear them to pieces.