A skilled thief gets a system in an Alternate Wizarding World. The system seems useless in the beginning since he hasn't unlocked any features. But...
[The very first feature of the System has been unlocked.]
[Congratulations. You've unlocked the class feature. Due to your existing skills and experience, you have gained the Special Class \

(Naruto World)
In the 56th year of the Konoha calendar, Akatsuki added two more members, one of whom was named Uchiha Itachi and the other named Uehara Naraku.
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(One Piece World)
That year, the Baroque Work recruited new employees, and the president, Warlord Crocodile, held a smoking pipe and looked at some resumes with satisfaction. One of the resumes was a young man smiling very kindly. He called Uehara Naraku.
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(Overlord World)
The Great Tomb of Nazarick.
The Ainz Ooal Gown guild members gather here, and they will carry out the last guild activity before the game closing service. Momonga looked at his friend and said in a deep voice, \

Jin Runcandel is the youngest son of the greatest Swordmaster. After he gets himself kicked out of their clan, he meets a tragic fate...but before he dies, a God gives him a second chance. Now he must use his new power for good.
Will Jin become the world's strongest Swordmaster and live up to his greatest potential?

Su Xiao is a cold-blooded young adult who's seeking vengeance for the death of his family, yet things ended up badly for him.
As he was taking his last breaths, he heard a voice calling him from dimensions, it was a strange system reaching him, asking him if he wanted to be saved, to be Reincarnated.
He just needed to accept a contract, Su Xiao didn't have any choice but to do so, but he didn't know what he signed up for!!
Travelling through worlds, doing extremely dangerous missions, collecting special items, levelling up, and even killing Protagonists...
But Su Xiao wasn't any ordinary Contractor, Su Xiao was a Hunter!
The MC crosses over to: One Piece, Tokyo Ghoul, Naruto, Fullmetal Alchemist, Attack on Titans... and Author's Original Worlds...

He is an undead who is devoid of all humanity, he is the one and only supreme overlord, he is a man who has severe mysophobia.
There are many people who try to act cool in front of him, whatever soldier king, assassin, system user, transmigrator, reincarnator, the strong returning, the strong coming down from the mountain, person coming back from the immortal world, reincarnation of the devil king, immortal emperor possessing someone's body, and so on, all of them do not know what will happen next.

When disaster struck, Ling Mo knew that the kinds of zombies depicted in doomsday movies would in fact, be totally different from reality...Normally, the most important thing to do during the end of the world is to survive, but when Ling Mo picked up his girlfriend from an abandoned bus, the trajectory of his life had gone completely out of control.The cause of this was very simple. His girlfriend, mutated...Wait, Shana, that sickle in your hand looks like its being pointed at my pants!Senior sister! Stop trying to pounce on me the moment I'm distracted!And little girl, is it really alright for you to just hide by my side and laugh?Lastly...all of you, stop trying to bite me...ahhh!!!

Living things really are ignorant a the greed to obtain the key to knowledge and the fundamentals of energy overpowers them.
Little do they know that knowledge is full of lies and energy is the root of destruction.
Us, mages, have mastered travelling through space and time. We are invincible, we can turn worlds into dust and you, mere ants, will be wiped out with no trace.
-Mage Adam An A.I.(Artificial Intelligence) gets reincarnated into a world where he becomes a mage.

Liam Sera Banfield is a reincarnator.
He was reincarnated into a fantasy universe of swords and magic, but at a time that civilization was already making advancements into outer space.
The setting takes place in an intergalactic empire, a space opera-like universe where humanoid weapons and spaceships do battle.
Liam, who had incarnated into an aristocratic family in a monarchic society, has the ambition to one day become an evil lord.
In his previous life, Liam had unfortunately lost everything and died in despair.
a Itas foolish to live for others.
a I will live for myself.
Holding those feelings in his chest, he starts towards his second life, but is instead worshipped as a virtuous ruler from his difference in values.
Will Liam be able to safely become an evil lord?

Katherine Zara, a single middle aged office worker, went about her day as she always had; wake up, go to work, come home and read or play games. However, today would be different. Before she left for work, her ex broke into her apartment and killed her.
When she woke up, she was given many choices. She could pick her new world, pick her starting point, and pick her system among many other things. And so Katherine decided to become a servant to a villainess.
Follow Katherine as she serves her petty, demanding mistress in a world of swords and magic.
Additional: The Female Lead (Katherine) will be submissive to her mistress, but will be cold towards others. I plan on having some action, but mainly this will be a story about Katherine serving her mistress and leveling up her system.

Jian Wushuang was reborn in adversity. In order to get his revenge, he began to cultivate Heavenly Creation Skill. With the help of the Heaven defying cultivation method, Jian Wushuang gradually grew into a peerless genius from an ordinary practitioner. With a sword in hand, no one is his match. Using his extraordinary Sword Principle, he killed all his opponents and eventually became number one Sword Master from time immemorial.

The trembling Hyuga Kuroto finally got the treasure that he dreamed of!
How exactly will the world of Naruto be perceived with his glowing Royal Blue Tenseigan

(Naruto World)
In the 56th year of the Konoha calendar, Akatsuki added two more members, one of whom was named Uchiha Itachi and the other named Uehara Naraku.
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(One Piece World)
That year, the Baroque Work recruited new employees, and the president, Warlord Crocodile, held a smoking pipe and looked at some resumes with satisfaction. One of the resumes was a young man smiling very kindly. He called Uehara Naraku.
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(Overlord World)
The Great Tomb of Nazarick.
The Ainz Ooal Gown guild members gather here, and they will carry out the last guild activity before the game closing service. Momonga looked at his friend and said in a deep voice, aTakimi-san, please use your ring to summon Uehara Naraku! Let's bring down the strongest world boss in this game! After this game is closed, Uehara Naraku's Favor is useless, right...a
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(Bleach World)
On the battlefield of Shinigami and Hollow.
A young Shinigami named Uehara Naraku was full of frustration,
aSorry, Captain Aizen, I'm still too cowardly...a
aThis is not cowardice.a
Aizen Sosuke smiled and shook his head. He patted the young Shinigami on the shoulder and praised, aThis is kindness, and kindness is a noble character worthy of praise.a
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(Marvel World)
Stark Building.
Tony Stark walked into the building and pointed his finger at an employee who likes to drink juice, aYou are fired, go get your liquidated damages...a
aMr. Stark, Mr. Uehara Naraku has just passed the interview, and he hasn't signed a formal contract...a
aIsn't that just right? We don't even have to pay liquidated damages.a
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He is an Actor.
He is a Conspirator.
He is a God.
Uehara Naraku transmigrated into the Anime World with a single purpose of becoming the biggest boss in the world. Watch as he travels different worlds and turns them upside down using his acting skill and conspiracy behind everyone's back.

The warrior Hamel went on an adventure with his companions to defeat the Demon Kings, but after dying just before the final battle with the Demon Kingsa|.
aWaaah.a
aWhat the fuck!a
He was reincarnated as the descendant of his fellow warrior, Vermouth.
Hamel a no, Eugene Lionheart was reborn with the blood of the Great Vermouth.
aMy previous body held enough talent to be mistaken for a genius, but this onea| thereas just no comparison.a
With a body that had higher specs right from the start, he showed explosive growth that far surpassed what he had achieved in his previous life.
Along with the unknown reasons for his reincarnation came the uneasy reality of having to coexist with demons.
He was faced with a world that made him question everything he had believed in.
Gifted with this extraordinary body since birth, as Eugene, he begins walking down the unfinished path from his previous life.