After her mother passed away, her father remarried and had little control over the siblings An Jinyu and An Zhiyu. An Jinyu hid his true nature and protected his sister. After he became the person in power, he could be said to be extremely doting on his little sister. But there are always a few reckless trash who come to harass his beautiful sister, but he doesn't know that the "crazy trash" came after him in the first place.
Concept: Brother and sister have a deep relationship