Airun bursts onto the scene as a whirlwind of quirky charm, insatiable curiosity, and boundless energy, driven by a legendary appetite that fuels their ceaseless adventures. Their lively, impulsive nature and voracious love for food create a vivid contrast to Coorun’s demeanor, casting Airun as the red oni—a symbol of unbridled enthusiasm and playful chaos. Though genderless, Airun radiates the infectious cheer and hyperactive spark typical of the genki girl archetype, embodying joy in its most unrestrained form.