Rokuro Kanda works alongside Miko Jinguuji as her assistant, confronting phantoms that invade and possess human bodies. He provides crucial support during exorcisms where Miko employs her unique abilities to banish these supernatural entities back to their origin. Their mission focuses exclusively on battling possession-based spectral threats.

Externally, Rokuro upholds a strictly professional dynamic with Miko as her subordinate. Internally, he conceals profound romantic feelings toward her, leaving this tension unvoiced yet palpable in their exchanges. His dedication manifests through tactical aid in phantom pursuits and an unwavering, protective vigilance over Miko’s safety.