Kazuo Tengan's motives for masterminding the Final Killing Game are revealed as Ryota Mitarai decides to put an end to despair, by brainwashing all of humanity to sacrifice all negative emotions and unconditionally believe in hope. Makoto Naegi, Aoi Asahina and Kyosuke Munakata try to stop him, but their efforts are impeded by the brainwashed Future Foundation.