Kaiju no. 8, 2

In the final phase of the last test to become members of the Defense Forces, a mysterious humanoid Kaiju resurrects the monster they had defeated and attacks Kikoru Shinomiya and the other candidates. When Kikoru finds herself in a desperate situation, Kafka Hibino turned Kaiju appears in front of her to help her... What is the true identity of the humanoid Kaiju? And what is your goal?