Kim Rona, the youngest of eight siblings lived in Quado with three of her brothers. She didn't know she belonged to Korea's last Royal family. They had a special martial art called Yurate, but not all siblings learned it. When Raon visited her other brothers in Xiausan, she felt curious about Yurate. She stayed there, wanting to learn it suddenly. Her parents died when she was little. In Xiausan, she encountered new challenges, stirring up past troubles. Slowly, she realized her connection to Korea's last royal line. Learning Yurate reshaped her life, revealing her the truths of her life some that were considered better when they were hidden.