Tooyamazakura Uchuuchou: Yatsu no Na wa Gold

This anime is based on the life of a historical figure who lived during the Edo period and served as a hatamoto and government official under the Tokugawa shogunate. The work draws from the real-life experiences of this individual, focusing on his role within the shogunate administration. No additional fictional elements or character developments are mentioned beyond the factual basis of the person's life and position.