"Yoshimune" is a historical comedy anime set in the Edo period of Japan, blending humor with elements of political intrigue and social commentary. The series centers on Tokugawa Yoshimune, the eighth shogun of the Tokugawa shogunate, who is portrayed as a young, energetic, and unconventional leader. Dissatisfied with the rigid and corrupt bureaucracy of his government, Yoshimune disguises himself as a commoner to explore the lives of his people firsthand. Adopting the alias "Kubire Sukehachi," he roams the streets of Edo, interacting with citizens and uncovering injustices that plague society.

The narrative unfolds through episodic adventures, with Yoshimune encountering various characters and situations that highlight the struggles of ordinary people. His journeys often lead him to confront corrupt officials, greedy merchants, and other figures who exploit the populace. Assisted by a group of loyal retainers, including the sharp-witted and resourceful O-Nobu, Yoshimune devises clever schemes to address these issues while maintaining his disguise. The series balances lighthearted comedy with moments of tension, as Yoshimune's actions occasionally put him at odds with powerful adversaries within the shogunate.

Themes of justice, leadership, and empathy are central to the story, as Yoshimune's experiences as a commoner shape his understanding of governance and his commitment to reform. The anime also explores the contrast between the opulent lives of the ruling class and the hardships faced by the lower classes, using humor and satire to critique societal inequalities. Through its episodic structure, "Yoshimune" offers a mix of historical context and fictionalized drama, presenting a unique take on the life of one of Japan's most famous shoguns. The characters are distinct and memorable, with Yoshimune's charisma and determination driving the narrative forward, while the supporting cast adds depth and variety to the story.