Yuuki Kagurazaka

神楽坂 優樹

[Spoiler] Yuuki Kagurazaka, formerly the Freedom Association's Grand Master, is one of the main antagonists of Tensei Shitara Slime Datta ken. A twisted genius, and with the massive influence as the Grand Master, he had easily manipulated countless people whom he encountered the moment he arrived in this world. [/Spoiler] (Source: Tensei Shitara Slime Datta Ken Wiki)