In The Witcher With Deja Vu System

[Dimensional Magic Cube's Instructions] [1. The Dimensional Magic Cube can automatically absorb the energy that exists in the dimension. Once a month, it can randomly open a dimensional channel and perform dimensional travel.] [2. The Dimensional Magic Cube has the ability to convert various powers from different dimensions, ready to be activated and used at any time.] [3. There is a storage space inside the Dimensional Magic Cube, which can be opened and used at any time.] [4. ...] This is the story of a man who once couldn't choose his own future but vowed to live for himself in this new life. Carrying the Dimensional Magic Cube, Riezel arrived in the world of swords and magic and wandered through different worlds, hoping to find a new beginning. === In a nutshell, a story about a man from Earth who got transmigrated into a fantasy world (original world that acts as the main world) and has the ability to travel to various anime worlds to become stronger. Visited Worlds: 1. Danmachi (Is It Wrong to Try to Pick Up Girls in a Dungeon?) 2. Demon Slayer (Kimetsu no Yaiba) 3. Overlord 4. Fate/Grand Order: Fae Round Table Domain - Avalon le Fae

After traveling to the world of One Piece, he merges with the mightiest creature alive—Kaido, the King of Beasts—and ascends as the new Four Emperors. At first glance, his time-travel advantage makes him seemingly invincible. But soon, he faces formidable foes: the fated Child of Destiny, Master Joyboy, wielder of the Nika Fruit, and the legendary Sun God, the world's only designated savior. Will he merely follow Kaido’s old path, becoming a stepping stone for Luffy’s rise as emperor? Not this time. As a time traveler, he wields knowledge and power beyond anyone’s imagination. Armed with Nika and the secrets of cultivation, he sets out to attain immortality, overcome destiny, and reshape the pirate world on his terms. Witness the rise of the new Kaido as he defies fate, challenges gods, and restores order in a world of chaos.

When Luffy had an extra teacher on board, he became a world-class powerhouse before even leaving the East Blue.

Nagaro wakes up in an unfamiliar forest. Before he can understand what is happening, an invisible assassin tears his body apart. Thrown into a savage world ruled by beasts, monsters, and overwhelming martial power, Nagaro finds himself facing dangers far beyond anything he has ever known. Dragged into deadly encounters, ruthless tournaments, and clashes against inhuman opponents, survival is never guaranteed and mercy is rare. In a world where strength is everything, can Nagaro endure long enough to carve his own path… or will he be erased without a trace? A dark fantasy filled with visceral combat, relentless progression, and a brutal world where only the strong survive.

In the world where medieval and sorcery exists. As time changes, the Shadow Sage, the demon king's right hand man found himself in the present time of 3000 years later. Under the identity of Will Beuratt, who he was known as back before he was the Shadow Sage, he now rediscover and try to redeem himself as a human and explore what the world has to offer

[The opening premise is rather toxic] [Single female lead Krul] [No romantic relationships with other female characters] Due to a mistake by the Golden Finger, Luke died inexplicably, and thus the Golden finger granted Luke the ability to travel to other worlds. After gaining the ability, Luke changed her name to Yuhe and first traveled to "Seraph of the End" (owari no seraph) to kidnap Krul...

Ari Igarashi was a bitter, isolated teenager who despised insects—especially ants. Ostracized and harassed for his relationship with a girl named Keiko, his resentment toward the world steadily grew. After a heated argument with her, he lashed out in frustration, destroying an ant nest he happened upon. But fate had other plans. Moments later, Ari was hit by a truck and killed. When he awoke, he found himself in a strange new world—reborn as an ant humanoid. Stripped of his human form and forced to survive in a harsh world beyond the safety of the colony, he soon realized that the very creatures he once loathed now surrounded him. Will his hatred for ants waver? Faced with relentless training, towering enemies, and a past that continues to haunt him, Ari must navigate this new life. Will he cling to his resentment, or will he rise above it and carve out a new purpose in a world where survival means everything?

For your convenience, Dear You. Volumes 01 & 02 will be combined into one stunning collection! - Dear You. Notes To My Future Child. Volume 01. A collection of old journals for a child that was never born, and still has yet to be. ----- Dear You. Notes To My Future Child. Volume 02. More notes to a child that never was to be, and still may never come to be. If that hits home with you, dive in. Young Me would have really appreciated it and you. Welcome back, Folks. Welcome back, Kid... Well, if you ever came to be, yeah? Enjoy!

The transmigrator Aiden possessed a cheat known as the [Intertwined Fate]. For sixteen years, it remained dormant, barring him from receiving a Falna. That changed when the God of Justice and Water, Focalors—who had been accidentally stranded in Heaven—finally descended to the lower world. As the Goddess descended, the Falna was inscribed. Soon, Robin’s singing voice echoed through the city, and Tifa’s fists shook the Labyrinth. However, Aiden's passive skill, [Abyss Gazed Back], spiraled out of control. The Dungeon began to birth monsters that should not exist. Abyss Mages chanted forbidden incantations, Cryo Whopperflowers bloomed in silence, and Pyro Regisvines took root in the deep layers... until the phantom of the Judgment-Class Honkai Beast, Benares, unleashed a thunderous dragon roar. Orario's common sense crumbled. The Guild descended into chaos, while the gods trembled in a mixture of euphoria and terror. "Behold, Aiden. This is the 'possibility' you have brought." ————— Note: This is an unofficial translation. All rights to the original work belong to its rightful owner. > Patreon.com/NegativeTranslations

Genichi gets isekai’d after a highway accident—and finds out his soul has shattered into countless versions of himself across different anime worlds. His “cheat” is grimly simple: if he kills another-world Genichi, he inherits everything that version had—powers, skills, memories, the lot. Which raises one question when a dying “him” gets delivered right to his door: Is this really a power-up… or just collecting his other selves’ life insurance?