She is a little princess from the Retard family, the world's number one killer. Her parents and brothers do not want her to participate in the darkness of this world and do not allow her to enter the killer island for training. Because her mother's blood is mixed with the descendants of Elizabeth, she was born as a British little princess with a foreign surname. She is such a genius. Under the guidance of her family, she has already reached the doctorate level in knowledge before she was five years old. She has various self-defense techniques such as Taekwondo, Karate, Jeet Kune Do, etc. Before she is six years old. She is so proficient that she has reached the tenth level of piano and violin and all kinds of instruments at the age of seven. She was the baby of the family until she was seven years old. Until her younger sister Mengwu·R. Naobaizhen was born, everything no longer revolved around her, but she was kind-hearted and protected her sister everywhere. So she proposed to move out of the clan house and live alone. Overly sad, she secretly entered the palace through her bamboo horse to learn the art of assassination. For love, she...