He claimed himself to be "The Ultimate Detective" which is also part of his lies. He's the mastermind of the killing game called “Danganronpa V3” and he breaks the 4th wall revealing that they're in fact in a fiction world and they're merely fictional characters. He still plays the game fair though, it's like he has the same characteristics as Tsumugi Shirogane, the orig mastermind from the actually game