A kid with a fishing rod and zero magical talent walks into an empire collapsing under a tyrant's boot and decides he's going to seal every immortal hermit keeping it broken. The show treats this impossible task with complete sincerity, building a ragtag fellowship that actually feels like people choosing to fight something bigger than themselves. Bunchuu represents the tragedy on the other side, a loyal soldier to a dying system, making this not about good versus evil but about what you're willing to destroy to build something new.
The Yin Dynasty crumbles under Dakki's tyrannical reign, her supernatural powers grinding the kingdom into suffering and chaos. The Hermit Band responds by launching the Houshin Plan: a sweeping operation to identify, capture, and seal away all evil immortals corrupting the realm. They assign this monumental task to Taikoubou, a young apprentice hermit with more ambition than experience, who must assemble a team of allies and hunt down dangerous supernatural beings across the land. Standing in his way is Bunchuu, the kingdom's most formidable immortal warrior and a loyal servant of Yin's royal court. Committed to preserving the old order, Bunchuu wages relentless war against Taikoubou's mission. What unfolds is a brutal collision between incomparable forces: a desperate underdog trying to save a nation versus an unstoppable defender of tradition. As battles escalate and immortals clash, the fate of an entire civilization hangs in the balance. Strength alone won't determine victory here. Strategy, sacrifice, and the bonds forged in combat will shape what rises from Yin's ashes.