Concubine's Strange Conspiracy

The female spy traveled through time and became the most unpopular, least status, and most powerless concubine... How can a concubine make a big counterattack? She is not afraid of hardships or power. She likes to take on difficult challenges and is determined to strive for the best in adversity and stand out in cruel struggles. This is a story about the struggle of a concubine. It is a bit relaxing, there are tears in the laughter, and it is not cruel at all.