Kafka wants to clean up kaiju, but not literally! Will a sudden metamorphosis stand in the way of his dream? With the highest kaiju-emergence rates in the world, Japan is no stranger to attack by deadly monsters. Enter the Japan Defense Force, a military organisation tasked with the neutralisation of kaiju. Kafka Hibino, a kaiju-corpse cleanup man, has always dreamed of joining the force.

But when he gets another shot at achieving his childhood dream, he undergoes an unexpected transformation.