Suruga Jūmonji, a university student and member of the Guardian State, dedicates himself to confronting supernatural threats. His short blonde hair contrasts with eyes that shift between blue and mint green across depictions. In battle, he channels his abilities through a blood-forged spear, materializing it as his primary weapon against enemies.

A reptilian familiar named Lia Fight accompanies him, its scales etched with intricate Aztec-style patterns. Though the creature aids him in combat, the precise nature of their collaboration remains undefined. His documented traits focus solely on his role within the Guardian State and his combat proficiency, with no elaboration on personal history, alliances, or long-term narrative progression.