Soratobu Kaijuu

Driven by a mysterious purpose, this unnamed flying kaiju serves as the catalyst for the series' central transformation. By infecting Kafka Hibino, this creature is directly responsible for his metamorphosis into the powerful Kaiju No. 8. As the entity behind such a monumental shift in the story's dynamic, its brief but impactful encounter fundamentally alters Kafka's destiny and sets the entire plot in motion.