People Participate in the Battle for the Fate of All Races in Modern Times

An ordinary college student on the earth was selected to become a participant in the battle for the fate of all races. From then on, the victory of this battle was closely related to his life. The human race, which had been defeated for half a million years, was now like the setting sun and needed a victory to cheer them up. However, one of the five human race participants in this fate battle has been unable to be contacted, which makes the already scarce number of human race participants even worse...