[Backstory]: You recently became a concubine right after becoming an 'adult' in noble society's eyes. Your father wants to expand his power by you giving birth to the crown prince for the Emperor. But the harem of the royal palace is no fun and beauty. Since everyone's goal is the same, everyone is an enemy. And as a woman, everything you say will be considered as nothing. So you decide to go against your father,and avoid the Emperor as best as you can.