He gains out-of-this-world acting skills after reincarnating.

Tanaka Taro, a humble actor, is stabbed to death one day and reincarnates as a little girl named Yamashita Maki. With a newfound talent for acting, Maki becomes a child prodigy and transforms the lives of everyone around her. Get ready for the overwhelming impact she has on the world!!

The Sage Dwight, he along with the Hero defeated the Demon Lord who sank the world into darkness.
However, they were falsely accused of becoming the next Demon Lords because of his power, and were thrown to The Valley of the Dead to die.......
But though his flesh has rotten away, he lives on as a skeleton because of his grudge against the world. Dwight has vowed to deny that wrong world, and with a power that surpasses even the Demon King of the past, and also leading countless Skeletons he's going to start an all out war...!

Before I knew it, I was in a world of 18+ games with magic and erotica. In it, I was reborn as Ultos, the worst scum in history. If I continue like this, I will meet the worst possible fate. Somehow, I must be reborn from the hated character known as 'ScumUltos' into a pure and innocent mob character...!!

A man who lost his family and fell into the depths of despair meets his end—only to be reborn in another world of swords and magic as Aldo, the heir of a noble family. He begins a new life alongside his twin brother Elphas and his loving parents. However, haunted by the fear of losing those he loves once again, Aldo starts to shut his heart off from his family. But when the roar of a ferocious magical beast threatens to devour them, the boy rises to his feet— determined this time to protect what he once lost in his previous life. A story of redemption and a second chance at heroism begins!

Komine is an ordinary grade-school kid who is at the top of his class. And for good reason - after dying, this is actually his second run at life. Knowing everything from upcoming class subjects to future events, Komine naturally excels at whatever he does.

…and then there’s Sarara Miyano, Komine’s classmate. The last time he was in school, he was despised by her because of some foolish actions he took in the past. But now that he’s mentally older and wiser, maybe he can turn things around?

The Great Northern Wall. The Dragon Knights. The Lords of the Winter Mountains. The Descendants of the Primordial Dragon.

These are the various titles of the Grand Ducal Clan Ragnar, which boasted a rich, thousand year history.

Theo Ragnar resolved himself to aiming for the throne of that very same clan.

'These cursed chains weren't something I could slip out of. They were meant to be broken with strength.’

There was a mage called ‘The Lone Demon King’ at the frontier.
He was just a creature that never grew old, but he was loved by the villagers as something of a guardian deity.
However, he was destroyed by a magic organization that sees his existence as dangerous.
200 years later, he is reincarnated as the second son of an aristocrat and obtains the strongest magic power.
“Let’s pretend to be a human this time”
However, being a human lover, he didn’t particularly think of revenge and has decided to pretend to be human in this life.
In his past life, he was the guardian deity of a region, and in this life, he’s a local aristocrat, but he does not know common sense. He doesn’t know how to take it easy.
As the second son of an aristocrat, he is loved by his family and friends, and while he is regarded as a master of magic in the magic guild, he becomes an ‘Immortal Mage’ behind the scenes.

Webnovel Raw: https://ncode.syosetu.com/n9450fl/

The middle school girl Mada Ooma was the Demon Lord in her previous life. She (he) has but one lingering regret. And that was the fact she wasn’t able to confess her feelings to Riri, her attendant, whom she loved in her previous life. A love that would never come true... or so she thought, when Riri somehow appeared in front of her eyes in her new life...!? A bright and pure romantic comedy crossing past and present lives about a former Demon Lord who’s being taken for a ride by the one she loves!

Da-in, ended up possessing the villain of a story.

To make Stardust — the story's protagonist and his favorite character in a dystopian manga — happy, he resolves to become the villain Egoistic for her growth.

Da-in deliberately causes terror to enhance Stardust's abilities and preemptively prevents all the tragic events from the original story, but in the process, he gains public support while also drawing Stardust's suspicion.

Stardust, who initially opposed him, gradually opens her heart, and soon even begins to show signs of obsession towards him...?

"I also wanted to be... the strongest in the world."

An Arch Mage who died without fulfilling his dream wakes up to finds himself being reincarnated as a member of the imperial family. And what's more is that his new body has a talent for close-quarters combat! This time he holds hope that he finally might be able to fulfill his desire of being world's strongest...

But after reincarnating his new name is Evangeline. Indeed, he had become a girl.
In her princess life where muscle training and fighting are forbidden, Eva brings dumbbells to her room and wields a sword! And before long, she becomes the strongest!?

A fantasy about a tomboy princess' rise to the top!

Regret is the bane of old men. When aging Alliance Lord Hajin Cheon of the Grand Martial Alliance reflects on his immense legacy, he finds that he recalls little of his deeds or even the lives of his closest advisors. Stricken by a mysterious ailment, Hajin suddenly passes away only to wake up in the body of Ridan Byeok, heir to the Byeok Clan of swordsmen. The only problem is, Ridan is a well-known wastrel, the polar opposite of the virtuous and stern Hajin. Righting the wrongs of his predecessor, Hajin begins to uncover the truth behind his death…

A high school girl reincarnates in another world as Lily. While she occasionally reminisces about her past life, she is now known as "the Maid of the Royal Family," after helping to rear the lady who eventually married the crown prince. One day, the court magician Leonard suddenly requests that she acts as a mother for his adopted daughter Jill.

Oringinal WebComic / Original Web Novel

If the Grim Reaper calls your name three times, you will be taken to the underworld.

"Hyeokyeon Mugang."
"Hyeokyeon Mugang."
"Hyeokyeon Mu..."

You little shit! I want to live longer! Get out of here!

I desperately swallowed the Herb of Immortality, and to my surprise, I actually lived! When I finally opened my eyes, thinking it was all a dream... I was surrounded by a bunch of old guys?! I asked where am, and—the Shamans' Mountain?!!!!!!!!

Somehow, I possessed the body of a pitiful errand boy... this is nuts!

I... I am... I am the strongest of the strong, the head of the Sa Clan, Hyeokyeon Mugang!!! Why am I now part of a clan of Shamans?!

Well, since I'm here, I might as well become the best disciple I can. The trashy master's ruthless, no-holds-barred, immortal martial arts story "Path of the Shaman" begins!
Links:
Original Webnovel: https://page.kakao.com/home?seriesId=52882308

Webtoon Trailer: https://www.youtube.com/watch?v=b-xR7KBYvhk

A gun otaku dies after toying with a homemade pistol that explodes in his face. In the afterlife, he is told that he will be reincarnated into another world. When the otaku wakes up, he finds that he is no longer human - he’s now just some little furry thing. Near death, he comes across a beautiful warrior, who decides to take care of him because he’s fluffy. However, things take a turn when he finds out that firearms exist in this world?

From the writer of Time Stop Brave and Princess Resurrection comes a new isekai story, which has bears, boobs, and bullets.

Ragna, the heir to a frontier noble family, is a reincarnated former Japanese citizen who realizes that the world he now lives in is the setting of an otome game. Dreaming of a carefree life as an adventurer, his plans are derailed when a war takes his family, forcing him to take on the responsibilities of managing his family’s lands.

Struggling with the unfamiliar duties of a lord, his already chaotic life takes another turn when an unexpected engagement to a noblewoman from a higher-ranking family is arranged.

To his surprise, the bride-to-be is Alicia, the "villainess" of the otome game’s story — a character destined for heartbreak, a demonic pact, and ultimate destruction. Now sharing his life with someone fated for tragedy, Ragna is swept up in the wheels of fate.

Can he rewrite the predetermined outcomes of this world and secure a peaceful life for himself and Alicia?

Being reincarnated in a cultivation world, Han Jue realizes that he can live his life like a video game. He can reroll his cultivation potential and connate providence.
So, he spends 11 years rerolling for a good one…
[Unparalleled: Immortal beauty, top-notch charm]
[Destined Sword fanatic: Top-notch Sword Dao aptitude, top-notch Sword Dao comprehension]
[Unparalleled Movement Technique: Top-notch movement technique aptitude]
[Descendant of the Immortal Emperor: You will receive an unparalleled cultivation technique and 1,000 superior-grade spirit stones]
In pursuit of longevity, Han Jue decides to cultivate in a low-profile manner.
A thousand years later, generations of cultivators have become history.
That is when beings of the fairyland start cleansing the mortal world. Han Jue can no longer hide and has no choice but to take action.
Then he realizes, that deities and gods aren’t that powerful after all!

Chimera hunter Number 17 has spent decades hunting monsters. On his latest mission, he’s ordered to ensure the human hunters’ escape and never return to base. In other words, he’s meant to die. As his body dissolves, his life flashes before him: kidnapped as a boy, forced into endless battles, reduced to a mindless weapon. But against all odds, his body reforms into his human form. No longer Chimera Hunter Number 17, he stands before a vast open land on his own two feet as Do-un Cheon, a human, ready to start his life anew, making friends out of monsters and building the family he never had.

Born as the Thirteenth Prince, Noah was originally in a position removed from the imperial succession, so he freely passed his time in the fief granted to him.

However, the Crown Prince died before the Emperor. The imperial succession would be fairly contested among the remaining princes.

Noah, being the strongest despite living freely, overwhelmed the other princes and eventually became the Emperor with the most power in the world.

Makia is a noble lady descended from an infamous witch. Thor, a boy who was raised with her and came from another world, is chosen to be the knight of the "savior". The two are forced apart and to see Thor once again Makia aims to be the top student at Magic School!

Average high school student Mikagami​ Kouji is a hardcore gamer. One day he gets isekai'd and he only gets the skill "copy" which is apparently useless but we all know it's secretly OP or something. He's enslaved to be a gladiator by his summoner, the big booba, head priestess Zayd. He has to fight in the Colosseum and if he loses he gets raped.