Plot synopsis: Betrayed by those desperate to bury the secrets of Edo Castle’s reconstruction, Jingoro loses everything. His father figure, fiancée, and even his right arm. On the brink of despair, the legendary craftsman transforms his grief into an unyielding drive for vengeance. Armed with his extraordinary carpentry skills and a series of lethal mechanical prosthetic arms, Jingoro carves his own path to justice. With his loyal companion, the Sleeping Cat, he faces his enemies in a gripping tale of revenge and self-discovery.