Kafka Hibino has almost abandoned his dream of joining the anti-Kaiju "Defense Force." He now works in Kaiju clean-up, disposing of the bodies of slain Kaiju and thinking back with regret to the days he spent with his childhood friend Mina Ashiro, captain of Defense Force's Third Division.

After turning into a Kaiju, Kafka is forced to flee. His escape is interrupted, however, by the arrival of another Kaiju...

After transforming into a Kaiju to rescue Reno and Iharu, Kafka is found by Hoshina, who immediately attacks him.

Tachikawa base comes under attack from the air, as a powerful Kaiju has its sights set on the Defense Force.

Kaiju No. 8 is captured, and Kafka is at the mercy of the Defense Force's most important leaders.

Kafka's final fate is determined as the monster within him tries to take control.