Jo Anno / VA: Shinichiro Miki

Retto’s uncle and Chief of the Hero Section at the Earth Defense Force Saitama Branch. He enlisted Retto to help him in the battle against the Kiseichuu.

Chacha / VA: Nichika Omori

Eldest child of the Queen of the Kiseichuu. She is the exact opposite of the other Kiseichuu and has the ability to release pheromones that make others more sensitive to H-energy. She is abhorred by the other Kiseichuu and has been imprisoned in the depths of the nest.

Runba / CV Daisuke Kishio

Komondor puppy at Retto's house. His full name is Runba Luseine III.