Humans obtained a flawless energy source known as "Patia," which granted worldwide self‑sufficiency in food and fuel. Commerce and transport started to wane, eventually halting civilization"s progress. Today, genetically engineered crops dominate nearly all Earth"s terrain, blocking travelers.
Cient, ruler of a fortified city, embarks on a quest to recover the lost technology "Patia" alongside his daughter Ruri. When Ruri becomes separated from her father, an ancient colossal humanoid weapon assaults her. A girl named Tekuni, a wandering "Wazabito" fighter in training, rescues Ruri.
