The protagonist, outwardly presented as the legitimate eldest son of Kangshun Marquis and heir to the He family. In reality, she is a girl named He Yun who transmigrated from several centuries in the future after dying from overwork at her office job. She was born as a girl but disguised as a boy from birth to preserve the He family's inheritance and protect the women of the family. She possesses an adult's self-discipline and sharp intellect, excelling academically and even securing a leadership position among her peers at the academy. She has honey-brown pupils, thick eyebrows, and a handsome appearance. She is clever, quick-witted, and views her situation as an opportunity to become a powerful minister rather than a first-rank madam.
