One sentence summary**: This is not a woman disguising herself as a man, this is the crime of deceiving the emperor. What she wants to do is not to survive in the palace, but to control her own destiny.
Actress: Xie Wushuang
Appearance: The most favored "eunuch" around the new emperor, with handsome features, careful thinking, and ruthless handling, he is known as the "inner prime minister".
Core: The only surviving young lady from the former Zhenbei Hou Mansion. Seven years ago, the whole family of the Hou family was falsely accused of treason. The men were killed and the women were sent to the Jiaofang Division. As a young girl, she was replaced by a girl on death row by her father's former subordinates. She destroyed her identity and sneaked into the palace under the name of a eunuch, just to find out the truth and clear away the injustice.
Abilities: Excellent in both civil and military skills, and nearly as smart as a demon. She not only has the martial arts foundation and courage of a tiger girl in general, but also honed her ability to understand people's hearts and play with power in the deep palace.
Actor: Xiao Zhi (New Emperor)
Identity: A young, promising and thoughtful emperor, he seems cold and suspicious, but in fact he is trying his best to balance the government and intend to reform amidst the mess left by the late emperor.
Relationship with the heroine: He regards Xie Wushuang as the sharpest knife and the "bosom friend" who understands him best. He even feels deeply confused and self-loathing because of his dependence and affection on a "eunuch". This pull of "knowing but not speaking" is an important source of emotional tension in the early and middle stages of the story.