Kazuo Kiriyama
The top student of the class, he has the mind of a genius but is physically unable to feel human emotions like sadness, compassion or even happiness. When he is forced to kill his classmates in the Program, he is indifferent and really can't decide whether he should unite his friends to lead a rebellion against the Program (and endanger his life), or play the game to win (and also endanger his life). When he decides the latter by a coin toss, he does so without hesitation. In the Film of the Book, he is portrayed as a mute psychopath instead, and voluntarily signed up for the game.read more