Aogu Shiji, chief assistant to the protagonist at G-PRO, sports a casually disheveled style—short, tousled hair and relaxed attire—that mirrors his easygoing presence. His cheerful composure and steady reasoning anchor the team, tempering chaos with calm pragmatism. The name "Aogu" (to "look up") and "Shiji" (blending "purpose" and "cure") linguistically echo his role as a supportive guide who defers to others’ directives.

Outside G-PRO, he quietly manages a bookstore under his own name. When a customer cites a cryptic text alleging the protagonist’s disappearance, Aogu offers a subdued rebuttal, hinting at concealed insights into their fate. This fleeting exchange subtly threads him into the narrative’s unresolved core, implying latent influence over its central enigmas.

No additional details regarding his origins, extended arcs beyond the primary storyline, or appearances in supplementary media are documented.