Soratobu Kaijuu - 空飛ぶ怪獣
(Flying Kaiju, Flying Monster, Nazo no Youjuu (謎の幼獣), Kogata no Kaiju (小型の怪獣))
About
This unnamed kaiju is the one responsible for infecting [Kafka Hibino](https://anilist.co/character/180692) and turning him into Kaiju 8-gou.
