The Paternal Grandfather's Migraines

This book is also known as: An essay on how a girl mistaken for a eunuch can safely and successfully leave the imperial palace and get married under a feudal dynasty. ╱╲ ‖ ‖ Please call the line above "the whole story in one sentence." The serious blurb: Lu Yue, who has the worst luck and entered the palace to apply for a palace maid position, is caught up in a mix-up and becomes the young eunuch attendant to a favored consort's son. Having a master with lofty ambitions is no easy job. Faced with the favored consort's cheerful declaration, "Get rid of the crown prince, and my son can become emperor!" Little Luzi says that isn't the only headache. There's more: one step into hell, then another... and still hell. Have you ever run into a pig teammate of a noble consort who's determined to climb the ranks? Have you ever seen a love letter written by a physician in alien script? Have you ever seen the true face beneath a beauty's gauzy skirts?! It's all here in: [BG] The Eunuch Has a Headache Theme: