An experiment gone wrong, or possibly right? A Nascent Kaleidoscope opens his eyes.
A reincarnated Zelretch story. Previous Fate-series knowledge recommended.
A Fate\/DxD\/Multi Crossover.
In Light of the horrendous new update, know that I do cross post on Fan Fiction dot Net.

This is the story where Urahara Kisuke died after Nel failed to save him inside Askin's Gift Ball Delux and reincarnated in the world of DxD.I am not sure if I can capture Urahara's character properly so I apologize in advance if you are not satisfied.Also, English is not my native language.I don't own any of the characters from the canon.

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 \

This is a story about a Criminal Police Department Captain who had crossed into the world of the Red Mansion and made a name for himself as Sun Shaozong, the famous detective.
The leading role of the story was originally the Jia's family. However, with this newly passed-through character of the Captain from the modern world, he started a brand new story.
He was not interested in reciting poetry, did not like to get involved in family conflicts, and did not care about the imperial examination. All he was interested in was solving cases. He became famous in officialdom with his ability to solve cases, and interpreted the Red Mansions from the perspective of a real man!

Meet Jon Dare, your everyday's 25 years old whose life changes (ends) when he played the latest installment of Skyrim, \

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...

(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, \

A teenager named Evan Mason was reincarnated into the magical world of Harry Potter and goes to school at Hogwarts!With only his knowledge of the future and great talent for magic, he takes the path towards the top of the magic world, only to realize that ever step he took, changed everything!