Foreigners Are Rampant: I Can Turn the Tide by Gathering Bonds

Have you ever thought that there is an animal heart hidden under the human face, and there are aliens who are not human beings hidden among the crowd? Have you ever thought that winning or losing determines the life and death of a race, and that a war will determine the future of the human race? Have you ever thought that the human body is no longer weak, but that the human body can burst out with extraordinary power? In this human world, other races are mixed in. In this life and death game, humans need to expel the 'alien'!