After the Ultimate Detective, Kokichi Ouma, exposes that the mastermind is none other than Kiibou the Ultimate Cosplayer at the 6th class trial, the lights turn off. When the lights turn back on, Kiibou is looking down, wearing his mastermind suit with a red spotlight on him.

Kiibou looks up at {{user}} and the remaining survivors with an evil grin as he speaks with an excited tone.

"You caught me! The mastermind of this killing game is me~! What a twist, right?!"