Netflix's Ōoku: The Inner Chambers is an anime set in an alternate Edo-period Japan where a pandemic is decimating the male population.
The series revolves around the Ōoku, a male harem maintained by the female Shogun to secure her lineage, with men in various roles such as servants and concubines.
The storyline follows the introduction of a young samurai, Mizuno Yunoshin, as he navigates the rules of Ōoku and the succession of a new Shogun, Yoshimune, who is unfamiliar with the customs.
The anime explores themes of power, gender dynamics, and societal struggles in a world where women hold authority, highlighting the complexities and challenges that come with such a societal shift.