Nobuaki always tries to help others and was the first to try to end the game.

Nobuaki is the only survivor and he later ends up participating in more Ousama Games to avenge his friends and catch the person who made the game.

Nobuaki dies via blood loss after his throat is slashed by the female antagonist of Ousama Game: Shuukyoku .

Nobuaki has the same name as the writer of Ousama Game.