Agu embodies the Austrian Steyr AUG A1 assault rifle, her duality of nature reflecting the weapon’s capacity to shift between long and short barrel configurations. Her primary persona appears timid and reserved, sporting short hair and a hesitant disposition. The alternate persona emerges with flowing long hair, an assertive demeanor, and a commanding aura. The short-haired guise employs a wig to preserve her image, a nod to the AUG’s modular adaptability.

As a student council member, she grapples with unspoken affection for Funco, her contrasting personas complicating romantic pursuits. The shy iteration falters in initiating dialogue, paralyzed by anxiety, while the bold counterpart overwhelms with blunt intensity, inadvertently alienating him. This internal conflict perpetuates a cycle of emotional stagnation.

Collaborating with Tei, the Taiwanese T91 rifle, Agu seeks guidance to reconcile her fractured self-expression, relying on Tei’s steady encouragement. Her design integrates traits mirroring the AUG’s tactical versatility—shifting personas echo the rifle’s seamless transition between combat roles, grounding her narrative in the interplay of mechanical precision and human complexity.