Accidentally Became the Favorite in the Harem

Transmigrating into a hidden corner of the imperial palace, she seeks peace over power. Her humble courtyard becomes an unlikely retreat for two top-ranking consorts, who sneak away to enjoy simple tea and gardening. When the Empress herself uncovers their secret hideaway and pays an unannounced visit, will this rare sisterhood crumble, or will she be charmed by the magic of their little haven?