In an alternate mirror universe, the Imperial Concubine was an official position in the Terran Empire ,normally this woman's main role would be to provide sexual services to the Empress and her consorts.In the 2370's T'Pol and Jessa and Leeta served as Imperial Concubines to Empress Hoshi Sato III and her consorts Typhuss James Halliwell and Annika Hansen. Imperial Concubines would provide sexual services to Empress Hoshi Sato III and her consorts in the Kyoto Imperial Palace in the Empress's bedroom.