West Wind, a divine entity commanded to enforce Unico's banishment to the Hill of Oblivion by higher powers like Venus in the manga and a council of gods in the films, disobeys orders out of compassion. Tasked with separating Unico from his first companion Psyche due to divine jealousy over his ability to spread happiness, she instead refuses to deliver him to eternal exile. She initiates a protective cycle, relocating Unico across time and space whenever the gods or their enforcer, Night Wind, approach, becoming his clandestine guardian.

Her protection involves wiping Unico's memories during each relocation to prevent anguish over lost companions and evade detection. She deposits him in varied settings—past, present, and future—where he inevitably forms new bonds. West Wind's interventions are urgent and abrupt, spiriting Unico away moments after reviving Beezle or following his victory over Baron de Ghost, demonstrating her vigilance against divine retribution. Her methods include navigating cosmic forces like the "life's secret undercurrent" in the reboot to disrupt the cycle.

Across all media, West Wind maintains empathetic resolve despite escalating threats from the gods, including Night Wind's deployment. Subtle development emerges through whispered promises to "break the cycle" in the reboot, hinting at a strategic shift beyond evasion. In the ecological short *Saving Our Fragile Earth*, she continues her guardian role, indirectly aiding Unico's efforts to heal environmental damage.

Her relationships define her arc: Unico's tireless protector, the gods' reluctant adversary, and Night Wind's counterpart. This dynamic underscores her quiet rebellion against unjust authority, leveraging her divine role to shield innocence rather than enforce cosmic decrees.