Parona, a resilient and resourceful teenager from Ninannah, bears the weight of her sister Penna’s sacrifice. Penna lured her into the forest under the pretense of a game, leaving supplies and a hollow promise to return, only to die as Parona’s substitute in the ritual for the Spirit Bear Oniguma. Shunned by the villagers for surviving, Parona forged a bond with March, a girl she shielded like a sister, her resolve hardening against Ninannah’s traditions. When March faced the same fate, Parona stormed the ritual, clashing with Hayase, a Yanome enforcer. Captured but undeterred, she escaped using concealed tools and combat prowess, later allying with Fushi, an immortal, to spirit March from Yanome’s grip. Their flight turned tragic when March intercepted an arrow meant for Parona. Grief-stricken, Parona sought death until Fushi stayed her hand. Returning to Ninannah, she delivered March’s body and a fabricated letter to spare her parents the agony of truth. In a final confrontation, Parona wounded Hayase, her arrow finding the agent’s hand instead of her heart—a failure that haunted her. Hayase’s retaliation came swiftly: Parona and March’s family were slaughtered, their identities usurped. Yet Parona’s legacy endured through Fushi, who inherited her form and tenacity. Her agility and strategic mind became his tools, her resilience a lesson in humanity’s strength. Though her life ended, her defiance against oppression echoed in Fushi’s journey. Her bond with March anchored her—a tapestry of fierce loyalty and guilt, veiled by forced cheerfulness that sometimes cracked into harshness. Hayase, her nemesis, embodied everything she despised; their clashes were inevitable, their hatred mutual, each encounter edging closer to ruin.