Omnipotent Regressor's Storyline

After going to school and meeting up with his friends.

His school is suddenly forced to participate in a supernatural mission called a 'Game'. Junghwa realizes that the novel that he's been reading for 8 years has come to life.

During the Game, he gains an ability that will help him survive.

How did his favorite novel come to life? What will he do to survive? Is he the only special one?

With the knowledge of the future, will Junghwa manage to not die during these Games? Or will he make many mistakes that could cause his demise?