The grandson of Liao Yu who suffered a brain injury in childhood, making him appear dull-witted, introverted, and shut off from others for a long time. He secretly recovered more than one year ago but hid this from his grandfather. In private, he discovered his thinking ability and memory far exceeded ordinary people. He studied life sciences quietly to try to improve his grandfather's health but felt powerless. He is frighteningly smart and agreed to work for Chu Xuan in exchange for curing his grandfather.
