Suzu, a 14-year-old heir to a revered shamanic lineage known for shielding humanity from calamity, grew up orphaned, groomed under rigid oversight to inherit her community’s leadership. Though burdened by expectations to uphold tradition and assume her role, she chafed against political obligations and formal studies, often dodging lessons or underperforming in structured education.

Residing in a society interlacing ancient rituals, scientific inquiry, and cultural heritage, Suzu nurtured a secret fascination with the "Forbidden Grounds," a prohibited realm her guardians fiercely barred her from exploring. Defying their warnings, she infiltrated the restricted zone, unearthing an enigmatic seed that blossomed into Coluboccoro—a mischievous nature spirit bound to her. This discovery ignited audacious expeditions deeper into the forbidden territory, where she unraveled a concealed ecosystem and unearthed suppressed truths about her ancestors’ pact with destructive natural forces.

Her lineage, she learned, had imprisoned volatile spirits to safeguard the world, a legacy shrouded in secrecy. Resistance emerged from her stern caretaker, "Jii," who guarded perilous knowledge about the Grounds and her family’s sacrifices. Yet through clashes with Jii and deepening bonds with Coluboccoro, Suzu resolved to mend the rift between her people’s insulated traditions and the wild, animistic realm they feared.

Later chronicles of her story expanded on her rebellious streak, depicting heated exchanges with tutors over stifling customs and historical omissions. These moments crystallized her evolution from a reluctant heir into a catalyst for change, weaving her inherited mandate with defiant self-determination to redefine her world’s fragile balance.