Kafka pledged to his childhood friend, Mina Ashiro. Over time, life circumstances forced them to go their separate ways and caused him to abandon his lifelong ambition. He found himself employed by Monster Sweeper, Inc., a professional cleaning company that specializes in cleaning up the aftermath of Kaiju battles. Meanwhile, Mina Ashiro is now the Captain of the Defense Force’s 3rd Division. As it stands, he is currently unworthy of fighting Kaiju alongside her.