The protagonist, a high school student bitten by the Cagaster virus who retains his human form. He joins a resistance escort unit to protect a key individual and navigate the post-apocalyptic landscape.
Deep emotional and protective bond, evolving from guardian-ward to equal partners facing existential threats.
Jin and Kidou operate as tactical partners, combining investigative efforts to uncover hidden truths about Ilie.
Franz and Kidou coordinate their movements to secure Ilie's safety, aligning their survival strategies under extreme pressure.
Direct antagonism, with Kidou infiltrating Adham's stronghold to rescue Iri.
Griffith's recorded tactical briefings serve as operational guidance that Kidou utilizes during critical missions.
Mario acts as a cultural bridge, relaying survival knowledge and historical context about Kidou's past to others.
Explore the full interactive character relationship map of Cagaster of an Insect Cage