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I understand. But where will-
~ Yuuki Kagurazaka's last words

Yuuki Kagurazaka is the main antagonist of That Time I Got Reincarnated as a Slime. A twisted genius who was transported from Japan to a fantasy world and a former student of fellow otherworlder Shizue Izawa, he leads the Moderate Harlequin Alliance and seeks to conquer this new world.

He was voiced by Natsuki Hanae in Japanese and Clifford Chapin in English.


Yuuki is an opportunistic sociopath, hellbent on taking over the world he was transported to. That said, he is also patient, resourceful, and cunning. He quickly established himself as a kindhearted and brave adventurer, gaining the position of grandmaster of the Free Guild rather quickly. He manages a bright and cheerful persona when out in the open, carefully hiding his insidious and manipulative nature. He has little regard for other's lives, seeing them as pawns or toys for his amusement.

That said, he seems to care for the Moderate Harlequin Alliance to some degree, seeing them as trusted companions. He even showed remorse and sadness when he heard about Clayman's death and took the blame for it when Laplace tried to direct Footman's anger towards himself. He also states that he dislikes slavery.


  • Yuuki from the Web Novel was portrayed as an utterly heartless, power-hungry and uncaring individual who only wanted to destroy the world in order to fill his boredom, but the Light Novel series portrayed him as a much more multi-dimensional and complicated individual who did have a few redeeming qualities. Thus far, his characteristics received a lot of change in the LN in comparison to his WN version.


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